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HomeMy WebLinkAbout02-15-2005 Presentation by PEC – LAKEWATCH Program and Determination of the Trophic State Index for Selected Lakes Within the City of Ocoee Presentation Mr. David Hamstra, P.E., with the firm of Professional Engineering Consultants The City of Ocoee, as a part of the University of Florida's LAKEW A TCH program, has accumulated lake water quality data since 1992 for selected lakes within the City. The goal of the program is to monitor the quality of water in our lakes and take remedial action to limit Total Maximum Daily Load (TMDL). Currently four lakes in Ocoee, including Lake Lotta, Lake Prima Vista, Starke Lake and Prairie Lake are considered to be impaired according to their Trophic State Index (TSI). Professional Engineering Consultants (PEC) has been monitoring the program for the City. Mr. David Hamstra, P .E. will brief the City Commission on the program. ~ '. . ~ 'I :00 ~ ~ '" ~ I , '" ~\' i' . "~~~ J I " t" c '- , . l~" . ~. ~ ....., l.t ..,. . " , ..~ r"J "'~ , ,'q .,~ . 4t. ~~~. -" 'to ~_' A 'II 'I"~J > < " -... III.... '. 'IL' ~ ~. ~, Ffi ... ,\ " ";j.~i~: "J ~~'ff! ., \.t. . <" .. .' , . I I _J " '",;dj- li - - - --- I I PEe PROFESSIONAL ENGINEERING CONSUL TANTS, INC. I (p) ~ (Q)J ~ (cl ~ ~ ~(Q) ~ffi\[M [Q) lUJ mal I I TO: Robert Zaitooni, P.E. Director of Public Works PREPARED BY: Stephen Medeiros, P.~ CHECKED BY: David Hamstra, P.E, ~\\)\\ I DATE: January 21,2005 RE: Determination of the Trophic State Index for Selected Lakes within the City of Ocoee 1.1 Introduction The City of Ocoee, as part of the University of Florida's LAKEW A TCH program, has accumulated lake water quality data for a period of record from July of 1992 to Oecember 2003, for several lakes within the limits of the City of Ocoee. In particular, the LAKEW A TCH program coordinates the sampling and consolidation of Total Nitrogen, Total Phosphorus, Chlorophyll-a and Secchi Oepth data. The results are then processed to yield the Trophic State Index (TSI) for each lake; the accumulation of all data obtained within a given calendar year are then published in an annual report made available via the LAKEW A TCH website (http://lakewatch.ifas.ufl.edul). TSI values range from 0 to 100, with 0 being the best possible water quality and 100 being the worst. A more detailed description of TSI can be found in Appendix A of this memorandum along with the empirical equations utilized to calculate TSI, as provided within a document entitled 1994 Lake Water Qualitv Reoortfor the City of Orlando. FOEP, as part of the Total Maximum Daily Load (TMDL) program, has classified any water body with a TSI greater than or equal to 60 to be Impaired for Nutrients (TSI). The City of Ocoee currently has four (4) lakes designated as impaired according to the Orange County section of the Group 2 - Middle St. Johns River Basin Verified List (Adopted via Secretarial Order on May 27, 2004): Lake Lotta, Lake Prima Vista, Starke Lake and Prairie Lake. Please note that PBS&J, acting as a consultant to Orange County, attempted to have Lake Lotta, Prairie Lake and Starke Lake removed from the draft list of impaired water bodies by presenting scientific evidence that showed that these water bodies possessed an average annual TSI of less than 60. This effort was unsuccessful therefore all four impaired water bodies contained in the draft verified list remained in the adopted verified list. engineers planners Surveyors "Engineering Our Community" 200 East IJ,obinson Stre'lt 0 Suite: 1160 :Jrlandrj, [I: iljij:\ 3:7'101- '1i: 7 h 2::': ii ;0: rf, '.f \-, /f) r, I,'. :':: ) '!n-i , ,.'! i I I I I I I I I I I January 21, 2005 Page2of6 The four water bodies on the adopted verified list are all considered "Medium-Priority Waters". As such, they are on the second five (5) year rotation within Group 2 and are scheduled for TMDL Oevelopment in 2008. After the TMOLs are developed, DEP will begin working with all stakeholders (City of Ocoee, SJRWMO, FDOT, selected homeowners and/or homeowners associations, etc.) to begin developing a Basin Management Action Plan (B-MAP) to achieve the specified TMOLs. Once the B-MAP is developed, it must then be implemented while continuing to monitor the water bodies. For a further explanation of the TMDL program, refer to the documents contained within Appendix B of this memorandum. 1.2 Summary of Lake Water Quality Figure 1 on page 4 summarizes the calculated Florida Trophic State Index (TSI) for each respective lake, as well as the classification of the lake water quality in terms of both the City of Orlando and Florida Department of Environmental Protection (FOEP) nomenclature. As shown in Figure 1, Spring Lake has the best average water quality over the course of the study to date, while Lake Prima Vista has the worst. Table 1 on the following page contains a summary of the average annual TSI values for all lakes over the course of the study period (refer to Appendix C of this memorandum for all numerical LAKEW A TCH data). PEC / Professional Engineering Consultants, Inc. January 21, 2005 Page 5of6 1.3 Water Quality Trends A linear regression analysis was performed on the data in order to determine if the water quality in the selected lakes within the study were improving or degrading. For further discussion on the methodology of the trend analysis, please refer to Appendix A of this memorandum. Table 2 below depicts the TSI trend for each of the lakes. As shown, the water quality is improving in Lake Moxie and degrading in Lake Stanley and Prairie Lake. All other lakes show no significant trend. Please note that Prairie Lake only shows a degrading water quality trend as a result of the abnormal spike in TSI that occurred in 2001. Table 2 Summary of Water Quality Trends F ater Quality ake'Name value`` Trend Spring Lake 0.0550 No Trend Lake Olympia 0.0017 No Trend Lake Moxie 0.3495 Improving Lake Bennet 0.1028 No Trend Peach Lake 0.1928 No Trend Lake Johio 0.2904 No Trend Lake Stanley * 0.3933 Degrading Starke Lake 0.0312 No Trend Prairie Lake ** 0.3901 Degrading Lake Prima Vista 0.0416 No Trend North Lake Lotta 0.0011 No Trend South Lake Lotta 0.0529 No Trend *No samples have been taken from Lake Stanley since April 13, 1999 **No samples have been taken from Prairie Lake since November 9, 2001 I I PEC/Professional Engineering Consultants, Inc. I January 21, 2005 Page 6of6 i 1.4 Conclusion Overall, the selected lakes within this study are all in good to fair condition. However, some of the lakes show a degrading water quality trend and this is cause for concern. In both of ilthese cases (Lake Stanley and Prairie Lake), data has not been collected for over five (5) and two (2) years, respectively. The City of Ocoee must implement a more rigorous sampling program (including lake stage recording) in order to better quantify the I conditions and trends of all its lakes, especially those with poor or degrading water quality. This will enable a more efficient development of the Basin Management Action IPlan for meeting the TMDLs of the City's impaired water bodies. 1.5 References 111 1. 1994 Lake Water Quality Report, Storm water Utility Bureau - Public Works IN Department, City of Orlando, Florida, May 1995. I 2.Swithart et. al. 1984. Water Resources Atlas of Florida, FL. Institute of Science and Public Affairs, 77 p. II 3.PBS&J, July 2003, Orange County TMDL Analysis— Comments to the Group Two Draft Verified Listing I4. PBS&J, October 2003, Orange County TMDL Analysis —Final Comments to the Group Two Draft Verified Listing 5. Florida Department of Environmental Protection;January 20, 2003; TMDL Program Overview; Jh ttp://www.dep.state.fl.us/wa ter/tmdl/docs/TMDL_Program_Overview.pdf 6.Florida Department of Environmental Protection; May 27, 2004; I, Adopted Verified List for Group 2—Middle St. Johns River Basin. http://www.dep.state.fl.us/water/tmdl/docs/verified/2004/MiddleStJohnsVerified5-13-04.pdf END OF MEMORANDUM IIcc: David Wheeler, City of Ocoee Buddy Elmore, City of Ocoee 111 John Geiger, Orange County Environmental Protection Division David Hamstra, PEC File 0E-180 (1-1.0) I PEC/Professional Engineering Consultants, Inc. 1 APPENDIX A DESCRIPTION OF FLORIDA TROPHIC STATE INDEX January 21, 2005 Appendix A A-1 Florida Trophic State Index The following excerpt was obtained from a document entitled 1994 Lake Water Quality Report for the City of Orlando, and provides a detailed discussion of the Florida Trophic Index relative to the classification of lake water quality. "The water quality of Florida lakes is commonly assessed by determining the trophic state of the lake. The trophic state is a measure of the degree of productivity in the water column. Eutrophication is the process in which a lake becomes nutrient enriched which in turn alters the chemical, physical and biological characteristics of the lake. Most of the changes in the lakes characteristics result from increased plant production which is in turn caused by increased levels of nutrients. Since most water quality problems associated with Florida lakes can be attributed to eutrophication and eutrophic lakes have a high potential for water quality problems, trophic state measurements are used by the City as the primary indicator to detect changes over time and to rank lakes by water quality. The City uses the Florida Trophic State Index (Brezonik 1984) which was derived using data from 313 Florida lakes. The trophic state of a lake is determined by measuring key water quality parameters and entering these values into an empirical formula which calculates a numeric value. The parameters used to determine the trophic state of a lake are total nitrogen,total phosphorus, chlorophyll-a (measures planktonic algae densities) and secchi depth (measures water transparency). These parameters are all closely correlated and the index allows for a better measure of overall trophic state than using individual indicators. The index calculates a number that can be assigned a particular trophic state. A lake which has low nutrient concentrations in the water column will typically have very high water transparency because the algae densities are low. These lakes are termed oligotrophic and are generally considered as lakes with excellent water quality. Oligotrophic lakes tend to be deep with abundant oxygen and a low build-up of organic material on the bottom. Lakes were assigned an oligotrophic status if trophic state index values were less than 50. As nutrient concentrations increase in a lake,the algae densities increase and water transparencies decrease. A lake with high levels of nutrients and planktonic algae is termed eutrophic. A eutrophic lake is highly productive and PEC/Professional Engineering Consultants, Inc. I January 21, 2005 Appendix A I will have the potential for water quality problems resulting from severe algae I' blooms which can deplete oxygen and form mucky organic layers on the lake bottom. Lakes were assigned a eutrophic status if trophic state index values iwere between 61 and 70. Lakes with moderate nutrient levels, and water quality characteristics between $ oligotrophic and eutrophic conditions are termed mesotrophic. Mesotrophic lakes will typically only have occasional water quality problems and are p generally considered to have good water quality. Lakes were assigned a mesotrophic status if the trophic state index values were between 50 and 60. Lakes which have reached advanced stages of the eutrophication process are termed hypereutrophic. These lakes are characterized by persistent algae I blooms, extreme fluctuations in dissolved oxygen, and deep organic muck layers. Hypereutrophic lakes in the City tend to be shallow and have mucky sediments from organic material which is produced in the lake faster than it can I be removed by decomposition processes. Hypereutrophic conditions are indicated by trophic index values greater than or equal to 71. The Florida Department of Environmental Protection uses trophic state index values to assess a good,fair or poor rating to Florida lakes. Trophic state index values between 0 and 59 correspond to good water quality, 60 to 69 is fair, and values greater than 70 indicate poor water quality (Hand et al, 1990). While the process of a lake going from an oligotrophic to a eutrophic state is a natural occurrence, human impact on lake drainage basins can greatly accelerate this process. When the eutrophication process is accelerated due to unnatural causes, such as urbanization, the process is termed cultural eutrophication. Since most water quality problems in Florida lakes can be attributed to cultural eutrophication, the majority of pollution abatement and lake restoration methods attempt to reverse this process through nutrient removal or inactivation. iiThe fact that a lake is eutrophic does not necessarily mean the condition is man-made or undesirable. Many Florida lakes are eutrophic because of naturally 1 occurring high nutrient concentrations in the soils of the watershed. Water quality can be a matter of individual perspective and depend on primary uses for the lake. For example,an oligotrophic lake would be desirable to individuals who swim or ski while a eutrophic lake is more productive and will tend to support larger populations of fish and wildlife for anglers and bird watchers. f PEC/Professional Engineering Consultants, Inc. 1 January 21, 2005 Appendix A One factor that the Florida Trophic State Index does not use in determining the trophic state of a lake is the biomass of aquatic macrophytes (vascular plants and large non-planktonic algae).This is a missing feature since the trophic state of a lake is meant to express overall productivity, and aquatic macrophytes can comprise a substantial amount of the productivity in a lake. Lakes which have large densities of aquatic macrophytes may have excellent water quality but may not be truly oligotrophic because they have high productivity in the form of macrophytes instead of algae. For this reason the trophic state index values should only be used as an indicator of water quality not the overall trophic condition in lakes which have abundant aquatic macrophytes. Aquatic macrophytes are generally considered desirable because they improve wildlife habitat and can have a positive effect on water quality. Macrophytes are considered undesirable when densities reach excessive levels which interfere with lake uses. Aquatic macrophytes, especially exotics such as hydrilla and water hyacinths, have the potential to cause severe water quality problems such as low dissolved oxygen and high organic loading if the densities are not monitored and controlled." A-2 Water Quality Trend Analysis —Methodology In order to determine if the water quality within a particular lake is changing over time, the TSI values for each lake were plotted versus their sampling date. A linear regression analysis using the least-squares method was performed on the data points. This analysis generated a linear trend which represents the relationship of TSI and time. This linear trend is presented as a straight line described by an equation of the form y = mx + b. In this equation, m represents the slope of the line; a positive slope indicates that the TSI is rising over time (i.e. the water quality is degrading) and a negative slope indicates that the TSI is decreasing with time (i.e. the water quality is improving). Another important result of the linear regression analysis is the R2 value. Simply stated,the R2 value is an indicator of the strength of the relationship between the variables and the trend. For example, an R2 value of 0.3 indicates that 30% of the change in the TSI can be associated with time; the remaining 70% is associated with other factors as well as random fluctuations. In the case of surface water trends in the State of Florida, R2 values in excess of 0.20 are considered significant (Swithart et. al. 1984). PEC/Professional Engineering Consultants, Inc. January 21, 2005 Appendix A EMPIRICAL PROCEDURE FOR CALCULATING THE FLORIDA TROPHIC STATE INDEX 1. ABBREVIATIONS TSI = Trophic State Index(Florida) TP = Total Phosphorus I TN chl a = Total Nitrogen =Chlorophyll a SD =Secchi Disk(Depth) In =natural logarithm TSI(Carlson) =0.65 TSI(Florida)+23.2 II. PHOSPHORUS-LIMITED LAKES(TN/TP>30) EQUATION TSI(avg)= 1/3[TSI(chl a)+ TSI(SD)+ TSI(TP)] VARIABLES UNITS where:TSI(chl a)= 16.8+ 14.4 In (chl a) (mg/m') TSI(SD)=60.0-30.0 In (SD) (m) TSI(TP)=23.6 In(TP)-23.8 (µg/I) 1 Ill. NITROGEN-LIMITED LAKES(TN/TP< 10) EQUATION TSI(avg)= 1/3 I.TSI(chl a)+ TSI(SD) + TSI(TN)] VARIABLES UNITS where:TSI(chl a)= 16.8+ 14.4 In (chla) (mg/m') TSI(SD)=60.0 30.0 In (SD) (m) TSI(TN)=59.6+21.5 In (TN) (mg/I) IV. NUTRIENT BALANCED LAKES(10<TN/TP<30) EQUATION TSI(avg)= 1/3(TSI(chl a)+ TSI(SD)+ 0.5(TSI(TP) + TSI(TN))] VARIABLES UNITS where:TSI(chl a)= 16.8+ 14.4 In (chl a) (mg/m') TSI(SD)=60.0-30.0 In (SD) (m) TSI(TP)= 18.6 In(TP)- 18.4 (pg/1) TSI(TN)=56+ 19.8 In (TN) (mg/I) I I PEC/Professional Engineering Consultants, Inc. I APPENDIX B TMDL Program Overview .+,' r - • A A Lima • Guidance For Local Officials g *it Are • You Ready? 11 4 Cooperatively produced by Florida Stormwater Association Florida Department of Environmental Protection < < P10 - . SWIMMING . BY RECOMMENDATION OF . COUNTY HEALTH DEPT V Ve VT ' t _1 .* g i i The TMDL program sets pollutant/ dad limits to indtcute how much of L 14 a particular pollutant a waterbody can absorb and irwaii;lieciltlr. _ -- / . • Ill , Ji A - - t s ��. 4 lJ - •1 ... ti Ari 1 II a ■ \ y f • i ' TMDLs will be established for waterbodies that contain more a ppllutants than can be absorbed for the water to meet its designated use,such as swimming or fishing. iii 11/ I .-," • 4 `' Wit.._ ,y(�1 t. �ti 1 ;=t - E • Ilk ....T. Each offending pollutant will be addressed tlArbugh a separate 1 } TMDL,so it is possible for a waterbody to have more than one mit > iag S i 1 i i III a ,r s What is the TMDL Program? limits,that indicate how much of a - pollutant a lake,river,stream,or estuary The Total Maximum Daily Load(TMDL) can absorb and maintain its designated Program is a federally required water use. Before establishing these targets, quality program administered by the DEP identifies the location,nature,and - • Florida Department of Environmental degree of impairments;the pollutants of Protection(DEP)under the Florida concern;and,as much as possible,the Watershed Restoration Act(Section pollutant sources. 403.067,Florida Statutes). In implementing the TMDL Program, Through the program,DEP works DEP is taking an open,broad-based closely with affected stakeholders to approach to local stakeholder involve- ., determine how to reduce targeted ment,a watershed management pollutant loadings to restore the legally approach. The intent is to build on and designated uses(e.g.,drinking water, strengthen local efforts to protect and 111 .`TMDLS fishing,swimming,shellfish harvesting) restore water quality. _ of the polluted waters. Will Have `' The TMDL Program will add emphasis �".> What are TMDLs? to stormwater management. Significant A TMDL is the maximum amount of a What are the federal and state pollutant that a waterbody can receive laws governing TMDLs? Impacts on and maintain its designated uses. A " given waterbody may have several Section 303(d)of the Clean Water Act(33 TMDLs-one for each targeted pollutant United States Code)requires states to Every (phosphorus,coliforms,nutrients,etc.). identify impaired waters and the pollutants causing the water quality Communily `a Under the Florida Watershed Restora- impairment. The state must then tion Act,TMDLs must be developed for establish a TMDL for each identified Throughout all waters that do not meet their desig- pollutant. nated uses due to human impacts and, consequently,are defined as"impaired." Though these federal requirements were Florida. The primary sources of these human- enacted in the early 1970's,they were induced impairments are pollutants in not implemented in most states until urban stormwater,agricultural runoff, citizen and environmental groups filed a and permitted industrial and municipal number of successful lawsuits in the wastewater treatment plants. mid-1990's. TMDLs must be developed A TMDL,or a waterbody's assimilative In Florida,DEP prepared a planning list capacity,is scientifically derived, in 1998 of potentiallyimpaired waters I I_ for all waters that do not � P typically using existing monitoring data (the 1998 303(d)list)and submitted the meet their designated uses and water quality models or empirical list to the U.S.Environmental Protection II due to human impacts and, relationships between the pollutant load Agency(EPA). In 1999,the settlement of consequently,are deferred and the waterbody's response. The final a lawsuit in Florida against the EPA by TMDL provides a margin of safety that EarthJustice resulted in a consent decree as"impaired." accounts for uncertainty in the analysis. that established a thirteen-year sched- ule for EPA to complete TMDLs for What distinguishes the TMDL certain waters on Florida's planning list. Program from other state water quality programs? Later in 1999,the Florida Legislature passed the Florida Watershed Restora- The issues that the TMDL Program tion Act,establishing the framework and addresses are not new. Nonpoint requirements for implementing a state sources,such as stormwater and TMDL Program. The Act directed DEP ;-µ agricultural runoff,and point sources, to adopt by rule(the"Impaired Surface such as industrial wastewater outfalls, Waters Rule")a scientific methodology have created water quality concerns in to determine whether a waterbody is . Florida for decades and have been addressed in various ways. indeed"impaired,"and required DEP to adopt TMDLs by rule. However,the TMDL Program does bring something new to existing local, regional,and state water quality protection efforts by establishing water quality targets,or actual pollutant load T - - How and when are TMDLs established? Phase 1: Preliminary Evaluation of - Water Quality TMDLs are developed,allocated and Phase 2: Strategic Monitoring and implemented through a watershed Assessment to Verify Water management approach(managing Quality Impairments ' �.;. water resources within their natural boundaries)that addresses the state's 52 Phase 3: Development and Adoption - - major hydrologic basins in five groups. of TMDLs for Waters Verified - - as Impaired Each group will undergo a cycle of five - r. phases on a rotating schedule: Phase 4: Development of a Basin Management Action Plan to Achieve TMDLs Take a _ Phase 5: Implementation of the Plan and Monitoring of Results i Careful Look Basins by Group and DEP District Office 0 , at Where Your DEP Group 1 Group 2 Group 3 Group 4 Group 5 r District Basins Basins Basins Basins Basins Ochiockonee- Apalachicola- Choctawhatchee Pensacola Bay Perdido Bay Community NW St.Marlos Chipola St.Andrews Bay is'in the NE Suwannee Lower St.Johns Nassau- Upper East St.Marys Coast 111 Process. Central Ocklawaha Middle St.Johns Upper St.Johns Kissimmee Indian River Lagoon Tampa Bay Tampa Bay Sarasota Bay- Withlacoochee Springs Coast SW 1` Tributaries Peace Myakka The State Department of S Everglades Charlotte Caloosahatchee Fisheating Florida Keys West Coast Harbor Creek g Environmental Protection (DEP) has established a rotating Lake St.Lucie- Lake Worth Southeast Coast Everglades schedule that will allow basin • SE Okeechobee Loxahatchee Lagoon- Buscayne Bay Palm Beach coordinators to gather data, Coast conduct meetings,and develop and implement specific action a�` ; _ _ II plans for each geographically = = —_ �"� . . - =—'-e " `�''"'---- r•-s=, �•�ar } mom-. defined basin. _ - -- �r- • - iF F-W � * _:4:: -;:...----,-_27.-- ....4.6wL , . , 4�►., • {: , - —'1 ;.`- Y ,mss Ilk -Ifr a! 01111111040e . F s ;,rst�" ti-, A consent decree established the first formal TMDLs in Florida in 1999.Solutions will involve short and long term projects.This wet detention pond provides both physical and biological treatment of storm water. r 1 Basin Rotation Schedule For TMDL Development and Implementation Year 00 01 01 02 02 03 03 04 04 05 05 06 06 07 07 08 08 09 09 10 Ai Group Phase Phase Phase Phase Phase Phase Phase Phase Phase Phase 1 1 2 3 4 5 1 2 3 4 5 limr Group Phase Phase Phase Phase Phase Phase Phase Phase Phase 2 1 2 3 4 5 1 2 3 4 Group Phase Phase Phase Phase Phase Phase Phase Phase 3 1 2 3 4 5 1 2 3 lir Group Phase Phase Phase Phase Phase Phase Phase 4 1 2 3 4 5 1 2 Group Phase Phase Phase Phase Phase Phase 5 1 2 3 4 5 1 1st Five-year Cycle - High Priority Water 2nd Five-year Cycle - Medium Priority Water t What about TMDLs established by EPA? _ "eomo.0 .. There are a number of TMDLs that EPA ., will be proposing in Florida in order to ti. satisfy the consent decree with EarthJustice. The legal status of EPA- Lgenerated TMDLs is not yet clear,as _;"r ¢"�"{ neither the Florida Watershed Restora- tion Act nor the consent decree address e 0 a iii their implementation. ""4" How are TMDLs implemented? LJ ` ._ tSounsainL . Two key steps in implementing TMDLs mg GSA5 I, in a basin are: "—' Amo j•� Co,rtr or. r " :..I 1. Allocating detailed pollutant load 6 4 Y 64, reductions,based on the initial alloca- tions in the TMDL. To reduce pollutant loadings to achieve a TMDL,each point and nonpoint source discharging a plan revision. Implementing corrective An important element of a B-MAP will pollutant of concern must be reduced in actions and achieving TMDLs may take be the identification of funds and an equitable manner. TMDLs include many years. potential funding mechanisms to ii an"initial allocation"of pollutant load achieve load reductions. State and reductions between point and nonpoint During Phases 3 and 4 of the watershed federal funds maybe available to sources. In most cases,this initial management cycle,DEP and basin finance some projects and activities. allocation will need to be broken down stakeholders will jointly develop Many of the management actions into more detail,to assign responsibility strategies to implement the reductions addressed in the B-MAP may come from for specific reductions. Future growth assigned in the allocation process. existing plans and projects. The load must be considered in the allocation These will be expressed in the B-MAP reductions reasonably expected from process. these existing or planned efforts may be 1 The development of the B-MAP is an credited toward the reductions needed 2. Developing a basin management opportunity for affected stakeholders to to meet the applicable TMDL. Stake- action plan(B-MAP)that reflects the cooperate,coordinate,and negotiate on holders will then identify additional detailed allocations and contains short- the best and most cost-effective ways to projects and activities to complete the Lterm and long-term projects and achieve a TMDL. A wide variety of needed reductions. In some basins,a B activities to achieve the applicable approaches may be used. MAP may incorporate or be incorpo- TMDLs in the basin,along with a rated into an existing watershed management plan. strategy for monitoring,follow-up,and s . , .'10(i..;14 .'ilt if o 0 Y r • d !T , t • . _ S i* 7 o .. a —.-.. � -- • Water Quality ,..- -110111111.11110.10111111111010 Solutions I Will Come _ ata Price. 5 The costs to reduce pollutant loadings are expected to be high. The biggest fiscal impacts involve large retrofit programs within urbanized areas • 111 Fiscal impacts on many city and What are the implications of the Benefits. county governments will gener- TMDL Program for local ally be tied to the high cost of governments? In addition to improving water quality, the TMDL Program will: retrofitting storm water treat- Costs. meet facilities in urbanized •Produce better monitoring and more II areas The greatest impact to local govern- effective use of existing and new water ments likely will stem from the sizable quality information. costs of implementing projects and activities to achieve TMDLs. •Provide restoration targets and help I define responsibility for management Stormwater regulations to this point actions. have largely addressed future develop- ment. Reducing pollutant loadings to •Build on and strengthen existing meet TMDLs may require retrofitting restoration efforts of local govern stormwater and wastewater systems. ments,water management districts, According to several studies,fiscal established coalitions,DEP,and r impacts on many city and county others. governments will generally range from fl. $7,500 to more than$12,000 per acre to •Focus funding and other resources on build stormwater treatment facilities to priority water resource problems. retrofit urbanized areas. •Trigger improvements in stormwater The Florida Stormwater Association management by local governments, estimates that the cumulative retrofit industry,agriculture,private develop- 11 costs would be between$1 billion and ments,businesses,and others. $5 billion,and probably much higher,if local governments were to achieve the •Stimulate new approaches to land use current standards for future develop- ," design and development that mini ment in 90 percent of urban areas in mize associated water resource Florida. problems. These estimates do not consider the •Help establish better working relation need to address discharges from ships among citizens and public and wastewater treatment plants,septic tank private organizations that deal with systems,or agricultural lands. water quality issues. I • i. How and when do I get involved? and draft verified lists of potentially - -' impaired waters and draft TMDLs for ` TMDLs and watershed restoration are waters in your basin. - - - part of state and federal water policy. - They will significantly affect local 2.Initiate and Participate government budgets and the ways in im:_ which water quality programs operate in Your leadership will ensure that the '4 ` ' Florida. Although Florida is ahead of the TMDL Program addresses local issues - - stormwater management game com- and concerns. pared to most other states,achieving '"'" - TMDLs will be an expensive endeavor. P Work with DEP to determine how II officials need to develop stakeholders in your community can be —77 • . ,, City and county olocal strategies to address TMDLs. To involved most effectively in the TMDL participate in the TMDL Program Program and to create a stakeholder successfully,local officials should take group. I .betting the following steps,in partnership with other stakeholders and DEP: Educate stakeholders in your communi- Involved- s ties about TMDLs and how they might - 1.Engage be addressed. Make them aware of Early X11 opportunities to provide input during ' Learn the status of the waterbodies in the development of TMDLs,allocations, your jurisdiction(i.e.,are they poten- and basin management action plans. Benefit - tially impaired,verified as impaired,or not classified either way?)and where Establish working committees of Everyone■ they fall in the basin rotation schedule. community leaders and interest groups so that their input can be obtained 9` - - Haveour staff coordinate with DEP Y throughout the five-phase process. technical staff to ensure that your local - water quality data is considered in 3. Document Activities assessing whether waters in your area are impaired. Work with DEP to compile information' As a first step in getting P involved,contactyour DEP on the water quality improvement Review and comment on planning lists Basin Coordinator to find out �, - 1 -• fic- +�'�i�1' :-! 'A T y- r '` .}e1Ft. �.1e7- _�. .+ where your area falls in The Y- #� � y '� ...� ' .r L v—. basin rotation schedule.Ask y ,,4 t - w '= i t about'the condition of ' 64.1 a., apt *:'. • ` 1,;1 �1 ,��, _: ti; I waterbodies in your basin. sij, =',� _ , � 1 ` ' `,�'t ' `- } II''1 11,1 1 I 4 1 . ,Get involved at the earliest ';vim „ ii planning stage if you can. 7`, ., ! - ` ' E1 - ci - 1 "r. - : Ali. _ -1 I 7 fS / , L. _ - ' .. I -911t: w.r,1R a 1 .4 5 S' I 1 It l i v. 1 33� •i ''4,•• 1 `4"rt. }'C s ; .ice 1. • .--71/4•"':TNilt.. ile, •.:, _ ......„ i . ...... ,. ._...„ . .... ,.. „............„., , ,r, 7' •,"' , • '-cti. . -,-– -. -4 Ir 4 I I.'It' ll I i„. ,,-1.-4‘"..., -- The basin wide approach will encourage partnerships between stakeholders to achieve water quality goals. I . _ ... _ _,... , 'Arm I projects and activities your jurisdiction C - - ,- fie • ,- , has underway or are planned that may r a„r help achieve TMDLs. This information �`' -�r` ^-' _ r "4 -- will be used in determining what load _._ F_ ..' -r , -:.- i- reductions can be expected from current -''''-r =_-0 r _ ' '' 1 efforts and what further reductions are ' { 1' needed. -'.y. 4. Assess Options "'• .. .r 4 , T. ' i; Evaluate your community's options for _ _- - = further improving water quality. -./Ir - • : Through the development of the B-MAP, i }{ +a # stakeholders will help each other ,rte g determine cost-effective ways to achieve • TMDLs , 5. Develop Financing t ... -- ' .t Alternatives ��• - �� w t' : Begin to think about long-term strate- r$- "‘ _ ' - :' F a 4. gies for financing TMDL costs. What are - - appropriate sources of revenue to fund TMDLs? Have you established a • ,, - - r stormwater utility? p. sT ,cri;k1 ,.,-• •'' ,. , _ • ,...--, ., ..,,, _, -,,, , .7.... , _ , - / � �� s I „ . ''''etrititlefill-.. . t .I ,§ T;T , I.- ,W $0 y,,ki lox . i : -- .. . ...,-,,:fhNiA,.)”. ., __ .•.. .T� :i = 'Pry+ _ �T ._f ... , . „,,,,,„,i,,,, , \„,,,,,,,,,,„,„ ,111,,,, ,� .' TT rt- 7:: S i . L . ..,,,-, „_._ , . ... _ - _ I i l -. y -. Pi s �J l• Communities with active stormwater management and _ _ t •_ '..ff. .,¢ �_ - L water quality monitoring programs in place are better ' ' "r`10 r — - I. positioned to deal with the TMDL requirements. _ ' t . -, - - fiir F. When?NOW! How are stakeholders being In step with the basin rotation schedule, involved? DEP is building on or initiating stake- Early involvement will give local holder processes around the state in government a strong voice in determin- DEP's approach to stakeholder involve- areas such as the Lower St.Johns River ing the pollutant load reduction strate- ment is to work through existing forums Basin,the Upper Ocklawaha River Basin, it,,, gies proposed in Basin Management and processes where practicable,and the Orange Creek Basin,the Tampa Bay Action Plans,ensuring consideration of initiate new processes where necessary, Basin and its tributaries,the St.Lucie- local goals and constraints. to build consensus on how TMDLs Loxahatchee River Basin,the should be achieved. Stakeholders have a Ochlockonee-St.Marks River Basin and If you are already part of a TMDL crucial role in determining detailed others. The approach to stakeholder stakeholder process in your basin,you pollutant load reduction allocations and involvement in each basin is based on may still have questions or need developing and implementing B-MAPs. the characteristics and needs of the additional assistance. If you are not Ideally,the TMDL implementation area. aware of any stakeholder activities,you process will be driven at the local level, can check with DEP to see what the with DEP's involvement and guidance. status of the TMDL process is in your basin. 11. , • ii • 1.d r ,. i a--a A .. --1 - — ": • . ..,z a • iir ir , ., a 4 i: r . - 14e �' i S_ "'ate - y -- _s• �. a3/" . i T a. tea-: - - # to t ' x ani' —.4fi"` i + * ilk . i The approach to stakeholder involvement in each basin is based on the characteristics and needs of the area. Stakeholders have a critical role in determining the pollutant load reduction allocations within their basin. -- "' DEP Contacts TMDL Information The following section lists some DEP U.S.Environmental Protection Agency - contacts and Internet sites that will www.epa.gov/owow/tmdl/policy.html provide you with or direct you to the ' information you need. Florida Department of Environmental - Administrative Staff Protection . www.dep.state.fl.us/water/tmdl Eric Livingston,Bureau Chief,Water Florida Department of Agriculture and Resource Management-(850)245 8430 Consumer Services,Office of Dar Il Joyner,TMDL Program Agricultural Water Policy y yn g www floridaagwaterpolicy.com Administrator-(850)245-8431 -, Florida Stormwater Association Jan Mandrup-Poulsen,Watershed www.florida-stormwater.org .��D�s tAssessment Section Administrator- 4 ,. (850)245-8448 Managing the Environmental Impacts of Growth and (1//�,/ Be' and Calder,nin Section Coordination Development �� ■, ": and Planning Section Administrator- P (850)245-8555 Addressed. Low Impact Development Center Basin Coordinators (Beltsville,Maryland) www.lowimpactdevelopment.org You Can Southwest Florida and the Everglades Ecosystem Smart Growth Network Influence Pat Fricano-(850)245-8559 www.smartgrowth.org at.fricano@dep.state.fl.us How- National Small Flows Clearinghouse That Southeast Florida wwwnesc.wvu.edu/nsfc Dan Apt-(305)795-3486 daniel.apt@dep.state.fl.us Florida Yards and Neighborhoods Happens. (Handbook) Northwest and Central Florida, Mary Paulic-(850)245-8560 http://hort.ifas.ufl.edu/fyn/handbook.pdf mary.paulic@dep.state.fl.us Nonpoint Education for Municipal Officials Northeast Florida and Suwannee www.nemo.uconn.edu To get involved,contact your Ochlockonee-St.Marks Basins, Basin Coordinator by phone John Abendroth-(850)ep.s 245-8557 s EPA Information on Low-Impact john.abendroth@dep.state.fl.us Development or by email. For more general www.epa.gov/owow/nps/lid information,a number of web West Central Florida and Tampa Bay Region,Tom Singleton-(850)245-8561 Eight Tools of Watershed Protection in sites are listed. 4' thomas.singleton@dep.state.fl.us Developing Areas I - District Office Contacts (EPA Watershed Academy) www.epa.gov/watertrain.protection/ DEP Northwest District Office, tl.html Barbara Ruth-(850)595-8300,ext. 1115 ii barbara.ruth@dep.state.fl.us Model Ordinances to Protect Local Resources DEP Northeast District Office, www.epa.gov/owow/nps/ordinance Jim Maher- (904)807-3352 jim.maher@dep.state.fl.us EPA Programs and Resources for Smart Growth DEP Central District Office, www.epa.gov/livability Chris Ferraro-(407)894-7555 chris.ferraro@dep.state.fl.us Information on Funding Sources • DEP Southwest District Office, Catalog of Federal Funding Sources for Cece Mckiernan- (813)744-6100 Watershed Protection cece.mckiernan@dep.state.fl.us www.epa.gov/owow/watershed/ 411 wacademy/fund.html DEP Southeast District Office, Jose Calas-(561)681-6704 Florida Stormwater Association jose.calas@dep.state.fl.us www.florida-stormwater.org • DEP South District Office, Karen Bickford-(941)575-5814 karen.bickford@dep.state.fl.us a �1. Ir I it L a.. r r k L L f L This manual was co-published by: r Florida Stormwater Association Florida Department of Environmental Protection PO Box 867 2600 Blair Stone Road Tallahassee, FL 32302 Tallahassee, FL 32399-2400 (888)221-3124 (850)245-8449 www.florida-stormwater.org www.dep.state.fl.us For additional copies of this document, please contact the Florida Stormwater Association. A special thanks to the following organizations for Thomas Scott, Ph.D., P.G., Assistant State providing photos for this publication: Geologist, Department of Environmental Protection Michael Holtkamp, RE., Tampa Bay Southwest Karen L.Vallar, Public Works,City of Lakeland Florida Water Management District Mike Revill, Hancor Inc. Andy Tilton,Johnson Engineering Jeff Hite, Rinker Materials Hydro Conduit I L w - • 9,i. 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L C t APPENDIX C C Numerical LAKEWATCH Data E E C C L WO NM PECIPROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 ON PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: OE-180/1.0 be Center of Good Ltt, le DATE: 14-Jan-05 ,1°,1'... r, BY:Stephen C.Medeiros,P.E. j= \ CHECKED: David W.Hamstra,P.E. �5� 1 SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES L TABLEA FLORIDA LAKEWATCH DATA FOR LAKE MOXIE r L[ SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES i DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (P9/I) (p9/I) (m9/I) 0p9/I) (mg/m') (feet) (meters) LIMITED LIMITED BALANCED 1992 7/29/1992 11 533 0.533 6 6 8 2.44 36 N/A N/A 8/18/1992 13 447 0.447 7 7 6 1.83 41 N/A N/A F E 9/28/1992 19 627 0.627 9 9 6 1.83 45 N/A N/A illms 10/28/1992 14 600 0.600 8 8 6 1.83 42 N/A N/A 11/16/1992 12 797 0.797 5 5 6 1.83 39 N/A N/A i 12/15/1992 10 863 0.863 5 5 7 2.13 36 N/A N/A 1992 AVG. 13 645 0.645 7 7 7 1.98 40 N/A N/A illio 1993 1/18/1993 11 740 0.740 4 4 7 2.13 36 N/A N/A 2/10/1993 6 783 0.783 2 2 7 2.13 28 N/A N/A 3/23/1993 11 830 0.830 4 4 8 2.44 34 N/A N/A 4/27/1993 10 627 0.627 5 5 6 1.83 37 N/A N/A L 5/28/1993 9 520 0.520 8 2.44 6/28/1993 9 430 0.430 3 3 9 2.74 30 N/A N/A 7/28/1993 10 333 0.333 4 4 9 2.74 32 N/A N/A I 8/20/1993 7 353 0.353 5 5 8 2.44 32 N/A N/A 9/27/1993 8 340 0.340 4 4 8 2.44 32 N/A N/A iir 10/20/1993 7 523 0.523 3 3 8 2.44 29 N/A N/A 11/22/1993 8 573 0.573 1 1 8 2.44 25 N/A N/A L 12/22/1993 9 667 0.667 6 6 8 2.44 35 N/A N/A 1993 AVG. 9 560 0.560 4 4 8 2.39 33 N/A N/A 1994 1/25/1994 8 690 0.690 5 5 11 3.35 30 N/A N/A 2/21/1994 9 647 0.647 1 1 9 2.74 25 N/A N/A 3/23/1994 10 533 0.533 4 4 12 3.66 29 N/A N/A 4/28/1994 13 500 0.500 7 7 11 3.35 35 N/A _ N/A L 6/27/1994 9 357 0.357 7 7 9 2.74 34 N/A N/A 7/9/1994 15 500 0.500 22 22 7 2.13 46 N/A N/A 10/4/1994 17 610 0.610 42 42 5 1.52 54 N/A N/A r 11/2/1994 16 670 0.670 16 16 4 1.22 51 N/A N/A ire 12/21/1994 12 1,030 1.030 9 9 4 1.22 46 N/A N/A 1994 AVG. 12 615 0.615 13 13 8 2.44 41 N/A N/A L f lir UM PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 iliNS PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 �, center of Good ltv� DATE: 14-Jan-05 y,,ne B L. BY:Stephen C.Medeiros,P.E. �+�� CHECKED: David W Hamstra,P.E. 3 _ SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES r - .. TABLE A FLORIDA LAKEWATCH DATA FOR LAKE MOXIE LSAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (PO) (µ9i1) (mg/1) (µ9/I) (m9/713) (feet) (meters) LIMITED LIMITED BALANCED 1995 1/30/1995 13 963 0.963 B 8 4 1.22 46 N/A N/A 2/16/1995 12 977 0.977 6 6 4 1.22 44 N/A N/A 3/13/1995 11 627 0.627 3 3 10 3.05 31 N/A N/A 4/12/1995 9 873 0.873 5 5 11 3.35 31 N/A N/A 5/11/1995 9 640 0.640 1 1 11 3.35 23 N/A N/A 6/19/1995 11 410 0.410 5 5 I7/24/1995 11 437 0.437 6 6 8/22/1995 9 407 0.407 6 6 12 3.66 31 N/A N/A 9/13/1995 8 430 0.430 7 7 12 3.66 30 N/A N/A I 10/16/1995 10 843 0.843 32 32 12 3.66 39 N/A N/A 10/17/1995 10 590 0.590 11/8/1995 11 560 0.560 L 11/13/1995 10 787 0.787 31 31 12 3.66 39 N/A N/A 12/11/1995 9 843 0.843 4 4 12 3.66 29 N/A N/A 1995 AVG. 10 671 0.671 10 10 10 3.05 36 WA N/A 1996 h1/22/1996 10 830 0.830 3 3 12 3.66 28 N/A N/A 2/14/1996 12 720 0.720 2 2 11 3.35 28 N/A N/A 3/19/1996 13 773 0.773 2 2 11 3.35 29 N/A N/A 1 4/16/1996 10 730 0.730 3 3 9 2.74 31 N/A N/A 5/20/1996 14 540 0.540 3 3 9 2.74 34 N/A N/A 6/24/1996 11 480 0.480 3 3 8 2.44 33 N/A N/A 7/24/1996 6 397 0.397 5 5 8 2.44 30 N/A N/A 8/26/1996 7 380 0.380 5 5 8 2.44 32 N/A N/A 9/30/1996 9 463 0.463 6 6 7 2.13 36 N/A N/A 10/31/1996 10 447 0.447 5 5 9 2.74 33 N/A N/A L11/25/1996 11 787 0.787 3 3 10 3.05 31 N/A N/A 12/26/1996 10 833 0.833 1 1 12 3.66 24 N/A N/A 1996 AVG. 10 615 0.615 4 4 10 2.90 32 N/A N/A 1997 1/30/1997 10 810 0.810 3 3 11 3.35 28 N/A N/A 2/27/1997 8 690 0.690 4 4 11 3.35 29 N/A N/A 3/27/1997 8 677 0.677 3 3 11 3.35 28 N/A N/A 4/29/1997 12 533 0.533 5 5 7 2.13 37 N/A N/A 5/27/1997 8 357 0.357 1 1 7 2.13 28 N/A N/A 7/1/1997 9 373 0.373 3 3 9 2.74 30 N/A N/A 8/4/1997 10 340 0.340 4 4 12 3.66 30 N/A N/A 9/15/1997 9 353 0.353 7 7 8 2.44 35 N/A N/A 11/3/1997 9 503 0.503 7 7 8 2.44 35 N/A N/A 1997 AVG. 9 515 0.515 4 4 9 2.84 31 N/A N/A PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eo/a Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: OE-180/1.0 ane Center of Good Lir, DATE: 14-Jan-05 BY:Stephen C.Medeiros,P.E. 0 �i+ . CHECKED: David W.Hamstra,P.E. `- C 0 SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES LJ TABLE A FLORIDA LAKEWATCH DATA FOR LAKE MOXIE SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (094) (ug4) (m94) (p9/I) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED L1998 01/09/1998 17 683 0.683 8 8 7 2.13 42 N/A N/A 02/11/1998 10 707 0.707 3 3 8 2.44 32 N/A N/A L 03/16/1998 14 880 0.880 7 7 8 2.44 39 N/A N/A 04/15/1998 12 767 0.767 7 7 7 2.13 39 N/A N/A 05/18/1998 9 520 0.520 6 6 9 2.74 33 N/A N/A r 06/17/1998 9 460 0.460 3 3 8 2.44 31 N/A N/A I 08/20/1998 8 357 0.357 5 5 N/A 09/16/1998 8 423 0.423 6 6 N/A 10/25/1998 7 587 0.587 3 3 12 3.66 25 N/A N/A r 11/12/1998 6 583 0.583 3 3 12 3.66 24 N/A N/A ism 12/09/1998 7 590 0.590 3 3 12 3.66 25 N/A N/A 1998 AVG. 10 596 0.596 5 5 9 2.81 33 N/A N/A 1999 02/08/1999 7 553 0.553 2 2 16 4.88 20 N/A N/A 03/15/1999 9 677 0.677 2 2 13 3.96 25 N/A N/A 04/12/1999 8 683 0.683 1 1 14 4.27 20 N/A N/A L 05/12/1999 7 473 0.473 2 2 12 3.66 23 N/A N/A 07/27/1999 7 387 0.387 3 3 12 3.66 25 N/A N/A 08/02/1999 7 400 0.400 3 3 12 3.66 25 N/A N/A 1 09/27/1999 11 413 0.413 6 6 12 3.66 32 N/A N/A 11/08/1999 7 570 0.570 3 3 11 3.35 26 N/A N/A 12/07/1999 6 550 0.550 2 2 9 2.74 25 N/A N/A 1999 AVG. 8 523 0.523 3 3 12 3.76 25 N/A N/A L 2000 01/11/2000 7 683 0.683 1 1 18 5.49 16 N/A N/A 02/18/2000 7 787 0.787 1 1 18 5.49 16 N/A N/A r 03/07/2000 6 893 0.893 1 1 15 4.57 17 N/A N/A 6 04/25/2000 8 730 0.730 1 1 14 4.27 20 N/A N/A 06/21/2000 10 597 0.597 5 5 7 2.13 36 N/A N/A 09/12/2000 6 413 0.413 4 4 13 3.96 25 N/A N/A 2000 AVG. 7 684 0.684 2 2 14 4.32 22 N/A N/A t itr fi WM MO PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 t PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 ire center of Good Li DApi,iTE: 14-Jan-05 B BY:Stephen C.Medeiros,P.E. C®E CHECKED: David W.Hamstra,P.E. SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES 1 TABLE A FLORIDA LAKEWATCH DATA FOR LAKE MOXIE SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT ,,,g,,, (pg/1) (mg,„ (pg1) 011g/rn3) (feet) (meters) LIMITED LIMITED BALANCED 2001 01/11/2001 6 495 0.495 2 2 13 3.96 21 N/A N/A 03/12/2001 6 630 0.630 1 1 19 5.79 14 N/A N/A L 04/11/2001 5 497 0.497 1 1 15 4.57 15 N/A N/A 05/09/2001 8 523 0.523 1 1 13 3.96 20 N/A N/A 06/04/2001 9 440 0.440 1 1 9 2.74 25 N/A N/A 07/09/2001 11 443 0.443 2 2 11 3.35 28 N/A N/A 08/07/2001 10 353 0.353 3 3 8 2.44 32 N/A N/A 1 09/04/2001 6 253 0.253 1 1 12 3.66 19 N/A N/A 10/08/2001 7 363 0.363 1 1 14 4.27 18 N/A N/A ma 11/07/2001 8 377 0.377 2 2 11 3.35 25 N/A N/A r 12/10/2001 7 340 0.340 1 1 15 4.57 18 N/A N/A iis 2001 AVG. 8 429 0.429 1 1 13 3.88 20 N/A N/A 2002 r 01/23/2002 7 487 0.487 1 1 15 4.57 18 N/A N/A t 02/11/2002 7 440 0.440 1 1 15 4.57 18 N/A N/A ilit 03/15/2002 6 447 0.447 1 1 15 4.57 17 N/A N/A 04/15/2002 6 457 0.457 1 1 15 4.57 17 N/A N/A r i 06/12/2002 8 320 0.320 1 1 10 2.90 23 N/A N/A 07/17/2002 9 317 0.317 1 1 15 4.57 20 N/A N/A 08/14/2002 9 377 0.377 1 1 10 3.05 25 N/A N/A 09/18/2002 8 290 0.290 2 2 10 3.05 26 N/A N/A r 11/14/2002 7 427 0.427 1 1 15 4.57 18 N/A N/A 2002 AVG. 7 396 0.396 1 1 13 4.05 19 N/A N/A 2003 L03/13/2003 15 733 0.733 0 0 12 3.66 05/15/2003 9 500 0.500 3 3 11 3.35 28 N/A N/A F; 06/10/2003 11 467 0.467 4 4 8 2.35 35 N/A N/A 07/21/2003 8 507 0.507 4 4 7 2.13 33 N/A N/A N' 11/04/2003 9 537 0.537 8 8 7 2.13 37 N/A N/A 2003 AVG. 10 549 0.549 4 4 9 2.72 32 N/A N/A r CUMULATIVE AVERAGE 1992-2003 9 566 0.566 5 5 10 3.05 32 N/A N/A NOTES: L 1. N/A=NOT APPLICABLE 2. SHADING INDICATES THAT A READING WAS NOT CONTAINED WITHIN THE LAKEWATCH DATA. r L I Lo 0 1 o N co N in 1 0 0 N • •• • T N • o O •• • N W '_ to •• •• M T O , W0 II NoY 0 N J O CC • •• a) rn O0 •II • m Nis > • N Ci •• Q W S► rn rn 0 am I— C:1 = a oft Z W • • a)• • • M um, CO U 11' 2 = °' CL = m O N CC • o T F- _• • • co r. a) • T • • CO ris • a) • in • • • • • In o a) co r- (O to C') N T '- . -- X3aNI 31VIS OIHdOdl r- hi i 1 1 1 1 1 1 1 1 1 1 1 1 i 1 1 MN NMI PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 ins PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: OE-180/1.0the Center of Good,.. cyle DATE: 14-Jan-05 BY: Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E . '��_---~ } ' \ r SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES I TABLE B FLORIDA LAKEWATCH DATA FOR PEACH LAKE ills SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (pg/I) (pg/I) (mg/I) (pg/I) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1992 7/29/1992 12 503 0.503 6 6 11 3.35 34 N/A N/A L 8/18/1992 12 460 0.460 7 7 9 2.74 36 N/A N/A 9/28/1992 16 783 0.783 11 11 9 2.74 41 N/A N/A 10/28/1992 11 820 0.820 5 5 9 2.74 34 N/A N/A L 11/16/1992 12 917 0.917 6 6 9 2.74 36 N/A N/A 12/15/1992 16 1,187 1.187 17 17 8 2.44 44 N/A N/A 1992 AVG. 13 778 0.778 9 9 9 2.79 38 N/A N/A 1993 1/18/1993 14 1,100 1.100 8 8 8 2.44 39 N/A N/A 2/10/1993 13 1,113 1.113 5 5 8 2.44 37 N/A N/A 3/23/1993 20 1,320 1.320 14 14 7 2.13 46 N/A N/A L 4/27/1993 34 1,555 1.555 37 37 9 2.74 53 N/A N/A 5/28/1993 23 853 0.853 1 1 9 2.74 32 N/A N/A 6/28/1993 14 637 0.637 2 2 10 3.05 31 N/A N/A L 7/28/1993 14 460 0.460 4 4 10 3.05 34 N/A N/A 8/20/1993 13 420 0.420 7 7 10 3.05 36 N/A N/A 9/27/1993 14 383 0.383 6 6 10 3.05 N/A N/A 34 10/20/1993 17 500 0.500 4 4 10 3.05 N/A N/A 34 11/22/1993 17 567 0.567 1 1 10 3.05 29 N/A N/A 12122/1993 16 813 0.813 11 11 10 3.05 40 N/A N/A 1993 AVG. 17 810 0.810 8 8 9 2.82 40 N/A N/A 1994 1/25/1994 32 990 0.990 9 9 10 3.05 44 N/A N/A 2/22/1994 18 840 0.840 15 15 8 2.44 44 N/A N/A 3/22/1994 35 1,340 1.340 82 82 2 0.61 72 N/A N/A 4/28/1994 58 1,070 1.070 45 45 2 0.61 N/A N/A 68 6/27/1994 22 1,037 1.037 29 29 3 0.91 59 N/A N/A 7/9/1994 28 1,157 1.157 36 36 2 0.61 66 N/A N/A 10/4/1994 20 1,040 1.040 22 22 5 1.52 52 N/A N/A 11/2/1994 16 1,120 1.120 18 18 7 2.13 46 N/A N/A Ira 12/21/1994 26 1,813 1.813 11 11 5 1.52 51 N/A N/A 1994 AVG. 28 1,156 1.156 30 30 5 1.49 56 N/A N/A Ilio or km PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. - Wengineersplanners surveyors v - Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 Genu of Good Ltv• r DATE: 14-Jan-05 16 BY:Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. � �/ SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE B p FLORIDA LAKEWATCH DATA FOR PEACH LAKE ilia SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT P (p91) (P94) (r7194) (li94) , (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED Yr 1995 1/30/1995 23 1,683 1.683 18 18 5 1.52 52 N/A N/A is L2/16/1995 23 1,747 1.747 11 11 5 1.52 50 N/A N/A 3/13/1995 22 1,703 1.703 20 20 7 2.13 49 N/A N/A 4/1211995 24 1,450 1.450 32 32 5 1.52 55 N/A N/A r5/11/1995 21 1,133 1.133 30 30 6 1.83 52 N/A N/A tit 5/24/1995 18 783 0.783 6/19/1995 15 477 0.477 9 9 L 7/24/1995 15 430 0.430 8 8 8/22/1995 12 563 0.563 10 10 6 1.83 42 N/A N/A 9/13/1995 12 593 0.593 12 12 6 1.83 43 N/A N/A L 10/16/1995 23 1,067 1.067 5 5 6 1.83 44 N/A N/A 11/13/1995 20 1,007 1.007 4 4 6 1.83 42 N/A N/A 12/11/1995 20 1,167 1.167 23 23 6 1.83 50 N/A N/A L 1995 AVG. 19 1,062 1.062 15 15 6 1.77 48 N/A N/A 1996 1/22/1996 20 1,270 1.270 25 25 6 1.83 51 N/A N/A 2/14/1996 18 1,007 1.007 15 15 6 1.83 47 N/A N/A L 3/19/1996 18 980 0.980 18 18 6 1.83 48 N/A N/A 4/16/1996 21 1,153 1.153 26 26 4 1.22 55 N/A N/A 5/20/1996 21 873 0.873 29 29 4 1.22 56 N/A N/A 6/24/1996 22 857 0.857 31 31 3 0.91 59 N/A N/A 7/24/1996 15 543 0.543 14 14 3 0.91 52 N/A N/A 8/26/1996 15 553 0.553 14 14 3 0.91 52 N/A N/A 9/30/1996 13 620 0.620 25 25 4 1.22 51 N/A N/A 10/31/1996 7 623 0.623 4 4 9 2.74 30 N/A N/A 11/25/1996 8 730 0.730 4 4 9 2.74 31 N/A N/A 12/26/1996 14 1,367 1.367 8 8 8 2.44 39 N/A N/A 1996 AVG. 16 881 0.881 18 18 5 1.65 48 N/A N/A r Iii 4t i r iiir ar PEaPROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eoia Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 lieY""-_ --- -------------------- PROJECT: Selected Lakes Within the City of Ocoee PEC L Project No: 0E-180/1.0 es- DATE of Good LIv DATE: 14-Jan-05 �b BY:Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,RE -0---C.- .E. 0- 0_ * SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES r S s�_ ilia TABLE B r FLORIDA LAKEWATCH DATA FOR PEACH LAKE ire SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT f 019/1) (1p94) (m9/1) (PO) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED lime 1997 1/30/1997 17 1,357 1.357 5 5 9 2.74 38 N/A N/A I2/27/1997 13 1,307 1.307 4 4 10 3.15 33 N/A N/A 3/27/1997 15 1,050 1.050 11 11 5 1.52 47 N/A N/A 4/29/1997 22 610 0.610 25 25 4 1.22 N/A N/A 53 5/27/1997 17 460 0.460 10 10 4 1.22 N/A N/A 47 7/1/1997 20 433 0.433 5 5 7 2.13 N/A N/A 38 8/5/1997 16 407 0.407 8 8 7 2.13 N/A N/A 40 9/15/1997 13 417 0.417 6 6 9 2.74 36 N/A N/A 11/3/1997 15 633 0.633 8 8 7 2.13 42 N/A N/A 1997 AVG. 16 741 0.741 9 9 7 2.11 43 N/A N/A 1998 01/06/1998 26 1340 1.340 11 11 5 1.52 51 N/A N/A 02/10/1998 19 1353 1.353 8 8 7 2.13 43 N/A N/A 03/17/1998 19 1557 1.557 8 8 7 2.13 43 N/A N/A 04/15/1998 18 1313 1.313 4 1.22 05/18/1998 16 743 0.743 16 16 5 1.52 49 N/A N/A 06/17/1998 14 633 0.633 10 10 5 1.52 45 N/A N/A I 08/20/1998 11 460 0.460 2 2 09/16/1998 12 457 0.457 7 7 10/25/1998 12 837 0.837 4 4 11 3.25 32 N/A N/A 1 11/12/1998 11 863 0.863 6 6 11 3.25 33 N/A N/A 12/09/1998 12 870 0.870 5 5 11 3.25 33 N/A N/A 1998 AVG. 15 948 0.948 8 8 7 2.20 41 N/A N/A 1 1999 02/08/1999 12 1180 1.180 6 6 9 2.74 36 N/A N/A 03/15/1999 19 1127 1.127 9 9 9 2.74 41 N/A N/A I 04/12/1999 12 737 0.737 15 15 5 1.52 46 N/A N/A 05/12/1999 14 400 0.400 9 9 7 2.13 N/A N/A 40 07/27/1999 9 337 0.337 5 5 7 2.13 35 N/A N/A I 08/02/1999 10 380 0.380 4 4 7 2.13 35 N/A N/A 09/27/1999 17 473 0.473 6 6 7 2.13 N/A N/A 39 11/18/1999 13 923 0.923 2 2 9 2.74 31 N/A N/A L 12/07/1999 17 1247 1.247 4 4 10 3.05 35 N/A N/A 1999 AVG. 14 756 0.756 7 7 8 2.37 39 N/A N/A 1 1 1. r L "'Ea PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners -^ surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: OE-180/1.0a Center of Good Liv ile DATE: 14-Jan-05 �� BY: Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. SUBJECTTDETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE B FLORIDA LAKEWATCH DATA FOR PEACH LAKE SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT t0,Ag/1)(fi (m9/I) (Ai g/1) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 2000 01/11/2000 26 1407 1.407 25 25 8 2.44 50 N/A N/A L 02/18/2000 17 1257 1.257 7 7 9 2.74 39 N/A N/A 03/07/2000 18 1437 1.437 8 8 10 3.05 39 N/A N/A 04/25/2000 18 930 0.930 12 12 7 2.13 45 N/A N/A L 06/22/2000 15 637 0.637 8 8 8 2.44 40 N/A N/A 09/12/2000 13 443 0.443 3 3 10 3.05 32 N/A N/A 2000 AVG. 18 1019 1.019 11 11 9 2.64 42 N/A N/A r 2001 01/24/2001 19 1037 1.037 5 5 12 3.66 36 N/A N/A 03/12/2001 15 850 0.850 5 5 10 3.05 36 N/A N/A L 04/11/2001 21 713 0.713 17 17 5 1.52 51 N/A N/A 05/09/2001 14 527 0.527 4 4 8 2.44 36 N/A N/A 06/04/2001 23 467 0.467 6 6 5 1.52 N/A N/A 43 07/10/2001 18 417 0.417 3 3 8 2.44 N/A N/A 34 L08/07/2001 14 340 0.340 2 2 9 2.74 N/A N/A 30 09/04/2001 15 403 0.403 2 2 8 2.44 N/A N/A 32 10/08/2001 15 443 0.443 3 3 7 2.13 N/A N/A 35 L11/07/2001 12 583 0.583 3 3 10 3.05 31 N/A N/A 12/10/2001 16 747 0.747 1 1 13 3.96 26 N/A N/A 2001 AVG. 17 593 0.593 5 5 9 2.63 38 N/A N/A 2002 01/23/2002 22 1043 1.043 1 1 13 3.96 27 N/A N/A 02/11/2002 18 860 0.860 1 1 13 3.96 27 N/A N/A 03/15/2002 11 893 0.893 1 1 13 3.96 23 N/A N/A 04/15/2002 17 780 0.780 13 13 13 3.96 38 N/A N/A 06/12/2002 15 467 0.467 2 2 10 2.90 32 N/A N/A �! 07/17/2002 13 457 0.457 3 3 13 3.96 29 N/A N/A �`u 08/14/2002 13 587 0.587 2 2 11 3.35 28 N/A N/A 09/18/2002 11 617 0.617 1 1 13 3.96 23 N/A N/A 11/14/2002 12 640 0.640 2 2 13 3.96 26 N/A N/A 2002 AVG. 15 705 0.705 3 3 12 3.78 31 N/A N/A E IL I I PECIPROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson St Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee 1 PEC Project No: 0E-180/1.0 a Center of Good Lr DATE: 14-Jan-05 �� BY:Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE B FLORIDA LAKEWATCH DATA FOR PEACH LAKE SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT L ,,,g,,, „,g,„ (mgt) (pg/I) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 2003 03/13/2003 16 1003 1.003 1 1 11 3.20 28 N/A N/A t 05/15/2003 13 653 0.653 7 7 12 3.66 34 N/A N/A 06/10/2003 14 487 0.487 6 6 8 2.53 38 N/A N/A 07/18/2003 16 543 0.543 10 10 8 2.44 42 N/A N/A 11/04/2003 11 550 0.550 6 6 10 3.05 34 N/A N/A 2003 AVG. 14 647 0.647 6 6 10 2.97 36 N/A N/A CUMULATIVE AVERAGE E1992-2003 17 851 0.851 11 11 8 2.44 43 N/A N/A NOTES: 1. N/A=NOT APPLICABLE 2. SHADING INDICATES THAT A READING WAS NOT CONTAINED WITHIN THE LAKEWATCH DATA. I I I 1 I I I 0 0 ch w O I o 0 rn _ r P rn r v.. ♦ ♦ in ♦_ • ♦ ' o N ♦ ♦ ♦ O ♦ - W ♦' CV ♦. r M. J ♦ ' 0 ♦• _Z 0 cn C ♦♦♦ v a. W 0 CO • ♦ 0 ca W ♦_ rn 0 r N Ln ♦♦ N .J X + G • ♦�• j d W X • ' 0 r O } • ca ... Z 1.0 I I M N ♦ O W O cc ♦♦ o HO •♦ •• r. N II =�' ♦ N • V • a. • 0 • • 0 ix • i I— ♦ N 1 • ♦ ♦ 1 O O ♦ • - • _ N it ♦ ♦: r ♦• • I o ow . O i ,-- 0 O 0 0 o O O o 0 0 0 0 0 O Cr) 00 N. co In ct p7 N r ,- i�. X3aNI 31V1S OIHdOal 1' i.. L C LI i C C C E.L C L CI C C L C L I I 0 0 coIiii T IO 0) I♦ • • • • O kw ••• O) Y --(1.1 •• r • J • . 0 •• Z_ o 0 E E • • 0)a •• • m co cc •♦ 0 • Li..D cooW 1••••N to 1 - o Z F- + T(15 • c...!a O 0 r O • Cl)a y.. Z I!) II CO cv0 FW- 0 CC ♦ t o 0)Q C rn 6. F- I I • N _ a • 0 O 0) cc 0) ~ ♦ 8 N % • II • • o 1 ♦• T ♦ • O o r O O O O O O O O O O O O o O 00 ti co Lf') -t co N ,- I I T MONI 31V1S 3IHd01:11 I C L L l C C L L L C L C Cl L L C L C PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: OE-180/1.0 a Center of Good Lt DATE: 14-Jan-05 ��;,,rt ..,, BY:Stephen C.Medeiros,P.E. *f•, CHECKED: David W.Hamstra,P.E. SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE C FLORIDA LAKEWATCH DATA FOR SPRING LAKE SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT t (1x9'1) (,ag4) (mg4) (ug4) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1992 7/29/1992 8 580 0.580 3 3 11 3.35 27 N/A N/A 8/18/1992 10 543 0.543 3 3 12 3.66 28 N/A N/A 9/29/1992 9 633 0.633 3 3 12 3.66 27 N/A N/A 10/28/1992 8 613 0.613 7 7 12 3.66 30 N/A N/A 11/16/1992 9 763 0.763 4 4 12 3.66 29 N/A N/A 12/15/1992 9 867 0.867 4 4 12 3.66 29 N/A N/A 1992 AVG. 9 667 0.667 4 4 12 3.61 29 N/A N/A 1993 1/18/1993 6 760 0.760 3 3 13 3.96 23 N/A N/A 2/10/1993 6 847 0.847 2 2 13 3.96 21 N/A N/A 3/23/1993 6 793 0.793 3 3 15 4.57 22 N/A N/A 4/27/1993 9 747 0.747 4 4 12 3.66 29 N/A N/A 5/27/1993 8 673 0.673 2 2 13 3.96 24 N/A N/A 6/28/1993 5 623 0.623 3 3 13 3.96 22 N/A N/A 1` 7/28/1993 8 477 0.477 4 4 13 3.96 27 N/A N/A 8/20/1993 5 507 0.507 5 5 14 4.27 24 N/A N/A 9/27/1993 5 477 0.477 3 3 14 4.27 21 N/A N/A I10/20/1993 6 480 0.480 2 2 14 4.27 21 N/A N/A 11/22/1993 5 537 0.537 2 2 15 4.57 18 N/A N/A 12/22/1993 11 707 0.707 21 21 15 4.57 36 N/A N/A I 1993 AVG. 7 636 0.636 5 5 14 4.17 26 N/A N/A 1994 1/25/1994 7 773 0.773 5 5 22 6.71 22 N/A N/A 2121/1994 5 707 0.707 2 2 21 6.40 15 N/A N/A 3/22/1994 6 670 0.670 6 6 11 3.35 28 N/A N/A 4/28/1994 8 630 0.630 3 3 11 3.35 27 N/A N/A 6/29/1994 7 623 0.623 5 5 11 3.35 29 N/A N/A 7/9/1994 6 533 0.533 3 3 12 3.66 24 N/A N/A 10/4/1994 11 663 0.663 3 3 9 2.74 32 N/A N/A 11/2/1994 10 687 0.687 5 5 9 2.74 33 N/A N/A lt 12/21/1994 15 850 0.850 3 3 12 3.66 31 N/A N/A 1994 AVG. 8 682 0.682 4 4 13 4.00 27 N/A N/A I IL C C PECI PROFESSIONAL ENGINEERING CONSULTANTS, INC. Eengineersplanners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 EPROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 Oe of Good DATE: 14-Jan-05 ,1 .., BY:Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. £. YN SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE C FLORIDA LAKEWATCH DATA FOR SPRING LAKE SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (P94) (kms) (mg/I) (1194) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1995 1/31/1995 8 817 0.817 3 3 12 3.66 26 N/A N/A 2/16/1995 9 887 0.887 2 2 12 3.66 25 N/A N/A 3/13/1995 9 827 0.827 3 3 10 3.05 29 N/A N/A 4/12/1995 11 703 0.703 4 4 11 3.35 31 N/A N/A 5/11/1995 8 463 0.463 2 2 12 3.66 24 N/A N/A 6/19/1995 7 470 0.470 3 3 7/24/1995 7 370 0.370 2 2 8/22/1995 9 493 0.493 0 0 13 3.96 9/13/1995 5 523 0.523 4 4 14 4.17 23 N/A N/A 10/17/1995 6 553 0.553 4 4 14 4.27 24 N/A N/A 11/13/1995 5 560 0.560 2 2 14 4.27 19 N/A N/A 12/11/1995 8 740 0.740 3 3 14 4.27 25 N/A N/A 1995 AVG. 8 617 0.617 3 3 13 3.83 26 N/A N/A 1996 IL 1/22/1996 8 683 0.683 3 3 14 4.27 25 N/A N/A 2/14/1996 9 717 0.717 2 2 14 4.27 24 N/A N/A 3/19/1996 9 643 0.643 2 2 15 4.57 23 N/A N/A L4/16/1996 8 650 0.650 3 3 15 4.57 24 N/A N/A 5/20/1996 10 453 0.453 5 5 14 4.27 29 N/A N/A 6/24/1996 8 470 0.470 5 5 9 2.74 32 N/A N/A L 7/24/1996 5 520 0.520 5 5 9 2.74 28 N/A N/A 8/26/1996 6 513 0.513 5 5 9 2.74 29 N/A N/A 9/30/1996 8 450 0.450 3 3 9 2.74 29 N/A N/A 10/31/1996 5 480 0.480 3 3 16 4.88 20 N/A N/A 11/25/1996 7 440 0.440 3 3 11 3.35 26 N/A N/A 12/26/1996 7 597 0.597 5 5 13 3.96 27 N/A N/A 1996 AVG. 7 551 0.551 4 4 12 3.76 26 N/A N/A t I. i PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 --Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 �e center of Good DATE: 14-Jan-05 t ilditr BY:Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. .1 ` 0 +, ;'~ SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES L - TABLE C FLORIDA LAKEWATCH DATA FOR SPRING LAKE SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (p94) (Ir9/I) OVA) (,ug/I) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1997 1/30/1997 9 497 0.497 3 3 14 4.27 27 N/A N/A L 2/27/1997 8 527 0.527 5 5 13 3.96 28 N/A N/A 3/27/1997 7 530 0.530 2 2 11 3.35 25 N/A N/A 4/29/1997 9 450 0.450 5 5 9 2.74 32 N/A N/A 5/27/1997 6 467 0.467 3 3 13 3.96 23 N/A N/A 7/1/1997 8 443 0.443 2 2 13 3.96 23 N/A N/A 8/4/1997 8 383 0.383 4 4 10 3.05 30 N/A N/A 9/15/1997 5 527 0.527 3 3 16 4.88 20 N/A N/A 11/3/1997 8 447 0.447 4 4 10 3.05 30 WA N/A 1997 AVG. 8 474 0.474 3 3 12 3.69 26 N/A N/A L 1998 01/06/1998 12 850 0.850 7 7 8 2.44 38 N/A N/A 02/10/1998 10 713 0.713 5 5 10 3.05 32 N/A N/A 03/16/1998 11 880 0.880 4 4 9 2.74 33 N/A N/A 1 04/15/1998 9 613 0.613 5 5 10 3.05 32 N/A N/A 05/18/1998 9 637 0.637 3 3 10 3.05 29 N/A N/A 06/17/1998 8 567 0.567 3 3 8 2.44 30 N/A N/A E08/20/1998 7 407 0.407 1 1 N/A 09/16/1998 9 500 0.500 3 3 N/A 10/25/1998 7 477 0.477 2 2 14 4.27 22 N/A N/A 11/12/1998 6 487 0.487 2 2 14 4.27 21 N/A N/A 12/09/1998 6 450 0.450 2 2 14 4.27 21 N/A N/A 1998 AVG. 9 598 0.598 3 3 11 3.28 28 N/A N/A El 1999 02/09/1999 8 587 0.587 3 3 13 3.96 26 N/A N/A 03/15/1999 10 520 0.520 4 4 12 3.66 29 N/A N/A I 04/12/1999 7 463 0.463 4 4 10 3.05 28 N/A N/A 05/1211999 8 490 0.490 2 2 8 2.44 28 N/A N/A 07/27/1999 7 483 0.483 1 1 8 2.44 24 N/A N/A 08/02/1999 7 447 0.447 1 1 8 2.44 24 N/A N/A 09/28/1999 9 437 0.437 3 3 10 3.05 29 N/A N/A 11/09/1999 8 493 0.493 4 4 12 3.66 28 N/A N/A 12/07/1999 8 530 0.530 2 2 10 3.05 26 N/A N/A 1999 AVG. 8 494 0.494 3 3 10 3.08 28 N/A N/A I i PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners Y ors surve Suite 1560 Eola Park Centre 200 East Robinson Street ONando,Florida 32801 407/422.8062 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 tae Center of Good L/ DATE: 14-Jan-05E ,,,,,,t } � BY: Stephen C.Medeiros,P.E. ^ n CHECKED: David W Hamstra,P.E j 4 SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE C FLORIDA LAKEWATCH DATA FOR SPRING LAKE SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT it (Irg4) (ug4) (mg4) (kg4) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 2000 01/11/2000 8 680 0.680 3 3 15 4.57 24 N/A N/A • 02/18/2000 8 697 0.697 2 2 15 4.57 22 N/A N/A 03/08/2000 8 577 0.577 3 3 12 3.66 26 N/A N/A 04/26/2000 9 433 0.433 3 3 12 3.66 27 N/A N/A E 06/21/2000 7 673 0.673 2 2 20 6.10 18 N/A N/A 09/12/2000 8 407 0.407 2 2 12 3.66 24 N/A N/A 2000 AVG. 8 578 0.578 3 3 14 4.37 25 N/A N/A 2001 01/24/2001 9 603 0.603 3 3 19 5.79 23 N/A N/A 03/12/2001 8 360 0.360 2 2 16 4.88 22 N/A N/A 04/11/2001 9 483 0.483 2 2 19 5.79 21 N/A N/A 05/09/2001 9 493 0.493 1 1 17 5.18 19 N/A N/A 06/05/2001 7 517 0.517 1 1 18 5.49 16 N/A N/A 07/10/2001 9 470 0.470 1 1 17 5.18 19 N/A N/A I 08/07/2001 7 373 0.373 24 7.31 09/04/2001 6 447 0.447 1 1 24 7.31 12 N/A N/A 10/08/2001 9 450 0.450 2 2 14 4.27 24 N/A N/A 11/07/2001 8 460 0.460 2 2 17 5.18 21 N/A N/A 12/17/2001 9 390 0.390 1 1 17 5.18 19 N/A N/A E 2001 AVG. 8 459 0.459 2 2 18 5.60 20 N/A N/A 2002 01/23/2002 10 440 0.440 1 1 17 5.18 19 N/A N/A 02/11/2002 8 457 0.457 1 1 17 5.18 18 N/A N/A 03/15/2002 9 713 0.713 0 0 17 5.18 13 N/A N/A 04/15/2002 9 497 0.497 1 1 17 5.18 19 N/A N/A 06/12/2002 7 427 0.427 1 1 15 4.57 18 N/A N/A 07/17/2002 12 523 0.523 1 1 17 5.18 21 N/A N/A 08/14/2002 17 567 0.567 1 1 18 5.49 23 N/A N/A 09/18/2002 6 407 0.407 1 1 17 5.03 16 N/A N/A 11/14/2002 10 490 0.490 1 1 17 5.18 19 N/A N/A 2002 AVG. 10 502 0.502 1 1 17 5.13 19 N/A N/A E I L PECIPROFESSIONAL ENGINEERING CONSULTANTS, INC. engineersplanners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 Center of Good Lr e P DATE: 14-Jan-05E fib,,; '� BY:Stephen C.Medeiros,P.E. � �+► �._; CHECKED: David W Hamstra,P.E. r ; SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES ihk, TABLE C FLORIDA LAKEWATCH DATA FOR SPRING LAKE SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (pg4) (Irg4) (mg4) (pg4) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 2003 02/13/2003 8 673 0.673 1 1 13 3.96 20 N/A N/A 03/13/2003 10 680 0.680 1 1 10 3.05 25 N/A N/A 05/19/2003 9 587 0.587 2 2 12 3.75 25 N/A N/A 06/12/2003 9 523 0.523 3 3 14 4.18 26 N/A N/A 07/18/2003 8 550 0.550 3 3 11 3.35 27 N/A N/A 11/04/2003 8 517 0.517 5 5 9 2.74 32 N/A N/A 2003 AVG. 9 588 0.588 3 3 12 3.51 28 N/A N/A CUMULATIVE AVERAGE 1992-2003 8 568 0.568 3 3 13 3.96 26 N/A N/A NOTES: 1. N/A=NOT APPLICABLE 2. SHADING INDICATES THAT A READING WAS NOT CONTAINED WITHIN THE LAKEWATCH DATA. C L I L I t I t r. ',EC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. f engineers planners surveyors Suite 1560 Eoia Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 tin PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 Lhe Center a{Good Lip DATE: 14-Jan-05 t`1. # .,, �8 BY:Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. �CO �- SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES - _ - TABLE D FLORIDA LAKEWATCH DATA FOR NORTH LAKE LOTTA 1rr SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (PA (I<9n) (mgn) (age) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1992 7/30/1992 60 1,113 1.113 42 42 3 0.91 N/A N/A 64 L 8/18/1992 66 1,093 1.093 41 41 3 0.91 N/A N/A 64 9/29/1992 124 1,240 1.240 15 15 3 0.91 N/A N/A 61 10/29/1992 98 1,000 1.000 31 31 3 0.91 N/A N/A 63 r 11/16/1992 162 1,087 1.087 16 16 4 1.22 N/A 57 N/A kr 12/16/1992 132 1,000 1.000 39 39 3 0.91 N/A 64 N/A 1992 AVG. 107 1,089 1.089 31 31 3 0.97 N/A N/A 63 '" 1993 6 1/19/1993 90 993 0.993 30 30 3 0.91 N/A N/A 63 2/10/1993 91 920 0.920 26 26 3 0.91 N/A N/A 62 L 3/24/1993 46 883 0.883 16 16 3 0.91 N/A N/A 58 4/28/1993 47 957 0.957 25 25 4 1.22 N/A N/A 57 5/28/1993 36 873 0.873 1 1 3 0.91 N/A N/A 43 6/29/1993 36 857 0.857 11 11 3 0.91 N/A N/A 55 L 7/29/1993 45 1,055 1.055 30 30 3 0.91 N/A N/A 61 8/20/1993 29 913 0.913 20 20 3 0.91 59 N/A N/A 9/27/1993 30 863 0.863 19 19 3 0.91 N/A N/A 57 cii, 10/20/1993 41 867 0.867 30 30 3 0.91 N/A N/A 60 11/22/1993 44 933 0.933 7 7 3 0.91 N/A N/A 54 12/22/1993 55 1,017 1.017 47 47 3 0.91 N/A N/A 64 C 1993 AVG. 49 928 0.928 22 22 3 0.94 N/A N/A 59 or' 1994 1/26/1994 58 1,087 1.087 28 28 3 0.91 N/A N/A 62 L 2/23/1994 50 880 0.880 10 10 4 1.22 N/A N/A 53 3/23/1994 38 980 0.980 20 20 4 1.22 N/A N/A 55 4/27/1994 32 933 0.933 20 20 4 1.22 N/A N/A 55 L 6/28/1994 41 833 0.833 17 17 5 1.52 N/A N/A 52 7/9/1994 51 960 0.960 28 28 3 0.91 N/A N/A 61 10/5/1994 84 963 0.963 33 33 3 0.91 N/A N/A 63 11/1/1994 86 977 0.977 32 32 3 0.91 N/A N/A 63 iiir 12/22/1994 102 1,003 1.003 28 28 4 1.22 N/A 60 N/A 1994 AVG. 60 957 0.957 24 24 4 1.12 N/A N/A 59 'lir r. r. "'EaPROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 thio LPROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 be center of Good Li DATE: 14-Jan-05 S BY:Stephen C.Medeiros,P.E. � � CHECKED: David W.Hamstra,P.E. k, j F SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES Mrr TABLE D FLORIDA LAKEWATCH DATA FOR NORTH LAKE LOTTA taw SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT 0,g0) 0,0 (m9/I) (/pg/I) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1r 1995 1/31/1995 101 923 0.923 31 31 4 1.22 N/A 59 N/A L2/16/1995 81 933 0.933 7 7 4 1.22 N/A N/A 53 3/14/1995 84 853 0.853 14 14 4 1.22 N/A N/A 56 4/13/1995 58 833 0.833 28 28 4 1.22 N/A N/A 58 L 5/11/1995 46 937 0.937 6 6 5 1.52 N/A N/A 48 6/20/1995 33 807 0.807 12 12 7/25/1995 33 823 0.823 10 10 8/21/1995 180 973 0.973 17 17 6 1.83 N/A 53 N/A L 9/12/1995 161 867 0.867 21 21 6 1.83 N/A 53 N/A 10/16/1995 99 923 0.923 23 23 6 1.83 N/A 54 N/A r 11/14/1995 99 840 0.840 29 29 6 1.83 N/A 54 N/A 12/12/1995 55 763 0.763 16 16 6 1.83 N/A N/A 51 tip 1995 AVG. 86 873 0.873 18 18 5 1.55 N/A N/A 55 1996 1/23/1996 55 767 0.767 16 16 6 1.83 N/A N/A 51 ilia 2/15/1996 70 817 0.817 18 18 6 1.83 N/A N/A 52 3/20/1996 67 763 0.763 29 29 6 1.83 N/A N/A 54 L4/17/1996 69 797 0.797 25 25 6 1.83 N/A N/A 54 5/21/1996 111 670 0.670 20 20 5 1.52 N/A 53 N/A 6/25/1996 108 810 0.810 19 19 5 1.52 N/A 54 N/A L7/25/1996 45 817 0.817 34 34 5 1.52 N/A N/A 56 8/27/1996 47 863 0.863 33 33 5 1.52 N/A N/A 56 10/1/1996 53 920 0.920 39 39 3 0.91 N/A N/A 62 a, 11/1/1996 52 747 0.747 20 20 4 1.22 N/A N/A 56 lir 11/26/1996 62 980 0.980 45 45 4 1.22 N/A N/A 61 12/27/1996 61 957 0.957 32 32 4 1.22 N/A N/A 59 1996 AVG. 67 826 0.826 27 27 5 1.50 N/A N/A 56 Sr lir lir PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. r engineers planners surveyors Suite 1560 Eo/a Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 illir LPROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 the Center of Good ivy DATE: 14-Jan-05 ,:10, *w 8 BY:Stephen C.Medeiros,P.E. CHECKED: David W Hamstra,P.E. SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES - Vor TABLE D FLORIDA LAKEWATCH DATA FOR NORTH LAKE LOTTA kw SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (PA (Pg4) (m91) (1.19/1) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED lir 1997 1/31/1997 127 820 0.820 28 28 4 1.22 N/A 58 N/A f 2128/1997 51 775 0.775 17 17 5 1.52 N/A N/A 53 iIrr 3/28/1997 54 1,033 1.033 46 46 3 0.91 N/A N/A 64 4/29/1997 53 913 0.913 42 42 4 1.22 N/A N/A 60 5/28/1997 34 873 0.873 17 17 3 0.91 N/A N/A 57 11rr 7/2/1997 32 827 0.827 6 6 4 1.22 N/A N/A 49 8/5/1997 46 873 0.873 25 25 3 0.91 N/A N/A 60 9/16/1997 59 1,067 1.067 49 49 3 0.91 N/A N/A 64 loft 11/4/1997 0.000 49 49 2 0.61 1997 AVG. 57 898 0.798 31 31 3 1.05 N/A N/A 60 1998 01/07/1998 50 797 0.797 27 27 3 0.91 N/A N/A 60 lir 02/11/1998 49 767 0.767 26 26 3 0.91 N/A N/A 60 L 03/18/1998 56 963 0.963 28 28 3 0.91 N/A N/A 61 04/17/1998 38 783 0.783 5 5 4 1.22 N/A N/A 48 05/18/1998 41 813 0.813 21 21 4 1.22 N/A N/A 55 06/18/1998 31 833 0.833 10 10 4 1.22 N/A N/A 51 L 08/20/1998 45 860 0.860 10 10 09/16/1998 47 873 0.873 42 42 10/26/1998 55 843 0.843 35 35 5 1.52 N/A N/A 57 t 11/13/1998 49 863 0.863 35 35 5 1.52 N/A N/A 56 to" 12/10/1998 55 917 0.917 36 36 5 1.52 N/A N/A 57 1998 AVG. 47 847 0.847 25 25 4 1.22 N/A N/A 57 1999 9r. 02/08/1999 50 850 0.850 17 17 3 0.91 N/A N/A 58 03/16/1999 36 740 0.740 18 18 5 1.52 N/A N/A 52 04/14/1999 36 863 0.863 18 18 05/13/1999 34 790 0.790 14 14 3 0.91 N/A N/A 56 07/27/1999 44 830 0.830 26 26 3 0.91 N/A N/A 60 B 08/02/1999 45 840 0.840 28 28 3 0.91 N/A N/A 60 ilia 11/08/1999 56 810 0.810 22 22 3 0.91 N/A N/A 59 12/07/1999 58 733 0.733 20 20 3 0.91 N/A N/A 59 1999 AVG. 45 807 0.807 20 20 3 1.00 N/A N/A 57 lir Ir. AMIN WON pop'PROFESSIONAL ENGINEERING CONSULTANTS, INC. r engineers planners surveyors Suite 1560 Eoia Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 be Center of Good Lta DATE: 14-Jan-05 t,�o„} �6011-B BY:Stephen C.Medeiros,P.E. _� CHECKED: David W.Hamstra,P.E. `, ;'_- SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES _ TABLE D FLORIDA LAKEWATCH DATA FOR NORTH LAKE LOTTA r SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (pg/I) (pg/I) (mg/1) (p94) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 2000 01/11/2000 38 673 0.673 21 21 4 1.22 N/A N/A 54 02/18/2000 39 953 0.953 19 19 6 1.83 N/A N/A 51 %se 03/08/2000 37 857 0.857 20 20 4 1.22 N/A N/A 55 04/25/2000 43 727 0.727 23 23 5 1.52 N/A N/A 53 05/15/2000 35 850 0.850 17 17 3 0.91 N/A N/A 57 its 06/22/2000 41 1117 1.117 17 17 3 0.91 N/A N/A 58 09/13/2000 78 1267 1.267 16 16 3 0.91 N/A N/A 60 2000 AVG. 44 921 0.921 19 19 4 1.22 N/A N/A 55 r. 2001 01/26/2001 48 960 0.960 16 16 4 1.22 N/A N/A 55 03/13/2001 53 1113 1.113 13 13 4 1.22 N/A N/A 55 illir 04/12/2001 38 1043 1.043 13 13 3 0.91 N/A N/A 56 05/10/2001 38 1313 1.313 20 20 3 0.91 62 N/A N/A L 06/05/2001 39 1120 1.120 25 25 2 0.61 N/A N/A 64 07/11/2001 44 1157 1.157 26 26 3 0.91 N/A N/A 61 08/08/2001 34 1033 1.033 11 11 3 0.91 58 N/A N/A 09/05/2001 34 967 0.967 15 15 3 0.91 N/A N/A 57 L10/09/2001 53 973 0.973 21 21 3 0.91 N/A N/A 60 11/08/2001 38 757 0.757 24 24 3 0.91 N/A N/A 58 12/17/2001 45 937 0.937 28 28 3 0.91 N/A N/A 60 r 2001 AVG. 42 1034 1.034 19 19 3 0.94 N/A N/A 58 illi 2002 01/24/2002 38 830 0.830 14 14 3 0.91 N/A N/A 56 L 02/13/2002 37 867 0.867 13 13 3 0.91 N/A N/A 56 03/15/2002 30 930 0.930 12 12 3 0.91 57 N/A N/A 04/15/2002 33 923 0.923 14 14 3 0.91 N/A N/A 56 06/13/2002 41 1237 1.237 26 26 3 0.76 65 N/A N/A her 07/18/2002 79 1007 1.007 37 37 3 0.91 N/A N/A 64 08/15/2002 45 1000 1.000 21 21 3 0.91 N/A N/A 59 09/19/2002 40 890 0.890 18 18 3 0.91 N/A N/A 58 lir 11/15/2002 36 903 0.903 11 11 3 0.91 N/A N/A 55 2002 AVG. 42 954 0.954 18 18 3 0.90 N/A N/A 58 r. PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 klir. PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 e�,enter of Good Lt r DATE: 14-Jan-05 'c.° ...- :* Pile BY:Stephen C.Medeiros,P.E. —� – CHECKED: David W.Hamstra,P.E. � � f , - --' r SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES 1r TABLE D FLORIDA LAKEWATCH DATA FOR NORTH LAKE LOTTA kor SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (11 9/0 (PO 01910 (1-1 9/0 (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED Ira 2003 02/13/2003 54 883 0.883 15 15 3 0.91 N/A N/A 58 03/14/2003 54 1120 1.120 35 35 3 0.91 N/A N/A 63 05/19/2003 36 1043 1.043 28 28 3 0.91 N/A N/A 60 06/11/2003 35 933 0.933 22 22 3 0.91 N/A N/A 58 I, 07/21/2003 34 780 0.780 24 24 4 1.22 N/A N/A 55 11/04/2003 61 947 0.947 49 49 3 0.91 N/A N/A 64 2003 AVG. 46 951 0.951 29 29 3 0.97 N/A N/A 60 CUMULATIVE AVERAGE We 1992-2003 57 916 0.916 23 23 4 1.22 N/A N/A 57 NOTES: 1. N/A=NOT APPLICABLE 2. SHADING INDICATES THAT A READING WAS NOT CONTAINED WITHIN THE LAKEWATCH DATA. Irr too it t %r INN Mir INN it I 0 0 rn m 0 O O rn rn T .r. ♦ ♦ �i ♦• ♦ • ♦♦ •• O UMW Q ♦• rn rn N O .• v ui •♦ Q J O 0 H ♦♦ CC • ♦ O • v. Z CC • Q 0 O ra 0 T Z Z ♦ • N N J X • + O floss n W ♦ 0 ♦ Q I 0 Z • 0 II •� 0 N tor I- • 0 CC N N Fa- i• II V) ♦• A n.. V • o E :_ ! rn O • rn i.. CC • N rr :♦ o • i cn ♦ • - o ♦• • N r . . ♦• • • Ori • i1 o O O OO O O O O O O 0 O O O 0 O) co N- CO in co N r T X3aNI 31V11S OIHdOal C L C C C C L L C L L C L L L C L L L PECIPROFESSIONAL ENGINEERING CONSULTANTS, INC. L _ e engineers l planners W surveyors ��--- PROJECT Suite 1560 Eola Park Centre 200 East Robinson Street OAando,Florida 32801 407/422-8062 LPROJECT: Selected Lakes Within the City of Ocoee PEC Project No: OE-180/1.0 a Geotel of G00d Ltr DATE: 14-Jan-05 ��' ,- 144 BY:Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. AfiP* _______SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE E FLORIDA LAKEWATCH DATA FOR SOUTH LAKE LOTTA r. SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT L (p94) 0r94) ( ) (/19/I) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1992 7/30/1992 252 1,137 1.137 48 48 2 0.61 N/A 70 N/A F 8/18/1992 236 1,030 1.030 29 29 3 0.91 N/A 63 N/A ilip 9/29/1992 205 1,007 1.007 7 7 3 0.91 N/A 56 N/A 10/29/1992 165 953 0.953 21 21 3 0.91 N/A 61 N/A L 11/16/1992 160 1,137 1.137 14 14 4 1.22 N/A 57 N/A 12/16/1992 96 1,023 1.023 33 33 3 0.91 N/A N/A 64 1992 AVG. 186 1,048 1.048 25 25 3 0.91 N/A 62 N/A 1993 1/19/1993 83 800 0.800 12 12 3 0.91 N/A 57 N/A 2/10/1993 75 770 0.770 9 9 3 0.91 N/A N/A 56 3/23/1993 45 690 0.690 8 8 3 0.91 N/A N/A 53 L 4/28/1993 45 953 0.953 25 25 4 1.22 N/A N/A 57 5/28/1993 37 937 0.937 1 1 3 0.91 N/A N/A 44 6/29/1993 37 847 0.847 12 12 3 0.91 N/A N/A 55 L 7/29/1993 41 980 0.980 30 30 3 0.91 N/A N/A 61 8/20/1993 31 903 0.903 23 23 3 0.91 N/A N/A 58 9/27/1993 29 857 0.857 17 17 3 0.91 N/A N/A 56 L 10/20/1993 48 907 0.907 26 26 3 0.91 N/A N/A 60 11/22/1993 56 980 0.980 3 3 3 0.91 N/A N/A 50 12/22/1993 55 1,027 1.027 52 52 3 0.91 N/A N/A 64 1993 AVG. 49 888 0.888 18 18 3 0.94 N/A N/A 58 1994 1/26/1994 58 1,093 1.093 32 32 3 0.91 N/A N/A 62 L2/23/1994 49 937 0.937 6 6 4 1.22 N/A N/A 50 3/23/1994 38 920 0.920 19 19 4 1.22 N/A N/A 55 4/27/1994 38 1,043 1.043 22 22 4 1.22 N/A N/A 56 L6/28/1994 43 873 0.873 15 15 5 1.52 N/A N/A 52 7/9/1994 54 957 0.957 23 23 3 0.91 N/A N/A 60 10/5/1994 87 987 0.987 36 36 3 0.91 N/A N/A 64 L 11/1/1994 83 947 0.947 29 29 3 0.91 N/A N/A 62 12/22/1994 100 973 0.973 33 33 4 1.22 N/A 60 N/A 1994 AVG. 61 970 0.970 24 24 4 1.12 N/A N/A 59 PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. P engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 ills PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 be Center of Good Ltr DATE: 14-Jan-05 ,,, BY: Stephen C.Medeiros,P.E. /"� CHECKED: David W.Hamstra,P.E. -` — i� L. SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE E I FLORIDA LAKEWATCH DATA FOR SOUTH LAKE LOTTA tr. SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT L0,0 (Pgn) ( ) (pg/I) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1995 1/31/1995 98 927 0.927 20 20 4 1.22 N/A 57 N/A L2/16/1995 82 923 0.923 8 8 4 1.22 N/A N/A 53 3/14/1995 87 810 0.810 10 10 4 1.22 N/A 53 N/A 4/13/1995 52 817 0.817 19 19 4 1.22 N/A N/A 56 L 5/11/1995 46 977 0.977 6 6 5 1.52 N/A N/A 48 6/20/1995 32 817 0.817 11 11 7/25/1995 34 763 0.763 10 10 L 8/21/1995 179 873 0.873 18 18 6 1.83 N/A 52 N/A 9/12/1995 162 873 0.873 16 16 6 1.83 N/A 52 N/A 10/16/1995 95 823 0.823 21 21 6 1.83 N/A 53 N/A I 11/14/1995 95 820 0.820 35 35 6 1.83 N/A 55 N/A 12112/1995 56 750 0.750 17 17 6 1.83 N/A N/A 51 1995 AVG. 85 848 0.848 16 16 5 1.55 WA 53 N/A I 1996 1/23/1996 51 755 0.755 17 17 6 1.83 N/A N/A 51 2/15/1996 67 683 0.683 26 26 6 1.83 N/A N/A 53 3/20/1996 70 817 0.817 29 29 6 1.83 N/A N/A 54 I 4/17/1996 68 817 0.817 26 26 6 1.83 N/A N/A 54 5/21/1996 109 733 0.733 18 18 5 1.52 N/A 53 N/A 6/25/1996 112 763 0.763 19 19 5 1.52 N/A 53 N/A 1 7/25/1996 66 770 0.770 31 31 4 1.22 N/A N/A 59 8/27/1996 76 863 0.863 31 31 4 1.22 N/A N/A 59 10/1/1996 74 913 0.913 29 29 4 1.22 N/A N/A 59 L11/1/1996 63 837 0.837 25 25 3 0.91 N/A N/A 61 11/26/1996 60 897 0.897 32 32 4 1.22 N/A N/A 59 12/27/1996 49 907 0.907 23 23 4 1.22 N/A N/A 57 I1996 AVG. 72 813 0.813 25 25 5 1.45 N/A N/A 56 I i.. L. w.. PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. rengineers planners surveyors Suite 1560 Eo/a Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 illie PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 eCenter of Good L/v DATE: 14-Jan-05 �b .�� � BY:Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. �CCt SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE E FLORIDA LAKEWATCH DATA FOR SOUTH LAKE LOTTA SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (Ft9/I) (Ft9/I) (�) (PA (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1997 1/31/1997 48 690 0.690 24 24 4 1.22 N/A N/A 56 L2/28/1997 49 780 0.780 23 23 3 0.91 N/A N/A 59 3/28/1997 55 1,040 1.040 49 49 2 0.61 N/A N/A 68 4/29/1997 63 943 0.943 51 51 3 0.91 N/A N/A 64 r5/28/1997 43 840 0.840 21 21 2 0.61 N/A N/A 63 ilio 7/2/1997 46 960 0.960 7 7 4 1.22 N/A N/A 51 8/5/1997 68 853 0.853 39 39 3 0.91 N/A N/A 63 t 9/16/1997 54 1,013 1.013 51 51 3 0.91 N/A N/A 64 Vr 11/4/1997 29 29 2 0.61 1997 AVG. 53 890 0.890 33 33 3 0.88 N/A N/A 62 f" 1998 lib 01/07/1998 82 817 0.817 29 29 3 0.91 N/A 61 N/A 02/11/1998 42 770 0.770 15 15 4 1.22 N/A N/A 54 03/17/1998 58 873 0.873 20 20 3 0.91 N/A N/A 59 L 04/16/1998 47 757 0.757 4 1.22 05/18/1998 44 803 0.803 4 1.22 06/18/1998 42 847 0.847 14 14.00 4 1.22 N/A N/A 54 L 08/20/1998 55 893 0.893 9 9.00 09/16/1998 54 800 0.800 30 30.00 10/26/1998 47 847 0.847 33 33.00 4 1.22 N/A N/A 58 r 11/13/1998 47 767 0.767 33 33.00 4 1.22 N/A N/A 58 Yo 12/10/1998 53 833 0.833 33 33.00 4 1.22 N/A N/A 58 1998 AVG. 52 819 0.819 24 24.00 4 1.15 N/A N/A 57 1999 02/08/1999 48 827 0.827 15 15 4 1.22 N/A N/A 54 03/16/1999 38 723 0.723 21 21 4 1.22 N/A N/A 55 L 04/14/1999 33 803 0.803 17 17 05/13/1999 41 867 0.867 13 13 3 0.91 N/A N/A 56 07/27/1999 43 837 0.837 24 24 3 0.91 N/A N/A 59 08/02/1999 47 823 0.823 29 29 3 0.91 N/A N/A 60 Om 11/08/1999 50 760 0.760 15 15 3 0.91 N/A N/A 57 12107/1999 55 767 0.767 20 20 3 0.91 N/A N/A 59 1999 AVG. 44 801 0.801 19 19 3 1.00 N/A N/A 57 lir OM a a PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Sola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062lir PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 the center of Good zi` s DATE: 14 Jan-05 , eir BY:Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. Er- , SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES it TABLE E FLORIDA LAKEWATCH DATA FOR SOUTH LAKE LOTTA `r. SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES t DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT r (Pg/1) (Irg4) (mg/I) (/rgq) (m9/m3) (feet) (meters) LIMITED LIMITED BALANCED 2000 01/11/2000 37 693 0.693 18 18 4 1.22 N/A N/A 54 02/18/2000 36 857 0.857 17 17 6 1.83 N/A N/A 50 illas 03/08/2000 38 787 0.787 18 18 4 1.22 N/A N/A 54 04/25/2000 41 860 0.860 21 21 5 1.52 N/A N/A 53 i 05/15/2000 36 880 0.880 20 20 3 0.91 N/A N/A 58 it 06/22/2000 41 1170 1.170 18 18 3 0.91 N/A N/A 59 09/13/2000 72 1247 1.247 15 15 3 0.91 N/A N/A 60 2000 AVG. 43 928 0.928 18 18 4 1.22 N/A N/A 55 its 2001 01/26/2001 51 1003 1.003 18 18 4 1.22 N/A N/A 56 I 03/13/2001 53 1120 1.120 14 14 4 1.22 N/A N/A 55 04/12/2001 84 1230 1.230 29 29 3 0.91 N/A N/A 63 05/10/2001 61 1640 1.640 34 34 3 0.91 N/A N/A 64 06/05/2001 41 1210 1.210 22 22 3 0.91 N/A N/A 60 07/11/2001 50 1007 1.007 26 26 3 0.91 N/A N/A 61 08/08/2001 48 1007 1.007 12 12 3 0.91 N/A N/A 57 09/04/2001 45 973 0.973 18 18 3 0.91 N/A N/A 58 10/09/2001 84 1053 1.053 15 15 3 0.91 N/A N/A 60 11/09/2001 50 887 0.887 30 30 3 0.91 N/A N/A 61 2001 AVG. 57 1113 1.113 22 22 3 0.98 N/A N/A 60 f 2002 03/15/2002 34 947 0.947 16 16 3 0.91 N/A N/A 57 04/15/2002 36 957 0.957 14 14 3 0.91 N/A N/A 56 L 06/13/2002 47 1193 1.193 23 23 3 0.76 N/A N/A 62 07/18/2002 80 920 0.920 38 38 3 0.91 N/A N/A 63 08/15/2002 88 980 0.980 16 16 3 0.91 N/A N/A 60 L 09/19/2002 43 913 0.913 18 18 3 0.91 N/A N/A 58 11/15/2002 35 823 0.823 11 11 3 0.91 N/A N/A 55 2002 AVG. 52 962 0.962 19 19 3 0.89 N/A N/A 59 L L 11. PECI PROFESSIONAL ENGINEERING CONSULTANTS, INC. r engineersplanners surveyors lift Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 LPROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 �becenter of Good Lt DATE: 14-Jan-05 .110-1 ©!""Ay ... BY:Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. f OCO3'_1 SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE E FLORIDA LAKEWATCH DATA FOR SOUTH LAKE LOTTA rim SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT I (pg4) (IIg4) (mg4) (pg/I) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 2003 02/13/2003 44 737 0.737 9 9 3 0.76 N/A N/A 56 L 03/14/2003 54 1097 1.097 34 34 3 0.76 N/A N/A 64 05/19/2003 48 1080 1.080 43 43 2 0.67 N/A N/A 66 06/11/2003 46 997 0.997 41 41 3 0.91 N/A N/A 62 07/21/2003 59 997 0.997 60 60 3 0.91 N/A N/A 65 r 11/04/2003 60 967 0.967 50 50 3 0.76 N/A N/A 66 2003 AVG. 52 979 0.979 40 40 3 0.80 N/A N/A 64 CUMULATIVE AVERAGE 1992-2003 65 911 0.911 23 23 4 1.22 N/A N/A 58 re NOTES: I 1. N/A=NOT APPLICABLE 2. SHADING INDICATES THAT A READING WAS NOT CONTAINED WITHIN THE LAKEWATCH DATA. I I I I I I I in 0 o N co N La1 0 0 N • Pg, • r • • • • cv • o • - N • T Q ••• r • O J • o Y •• a) T e:4 4 J F- •• • rn M • • rn • T ' N cc O •• T a LL (p cm rn O p N N a) 0 Z • ♦ I Z W •• ♦ O N I I rn N Z ♦ • p LLJ •i A i,---) II Q = rn co CO U ••= m 2 • • o CL O • � _ CC •• rn I•- • • a) ►• n •• ' • • • co • ♦ • • • • • ,- Z-3-;rn -,.. , i rn 00 0 0 0 0 0 0 0 0 0 O 1- , ai-- - - X34NI 31VIS OIHdOal L C C L C C C I. L CI L L C r 1m r 6 PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors his Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee Center of Good PEC Project No: 0E-180/1.0 Abe j/v�8 DATE: 14-Jan-05 BY:Stephen C.Medeiros,P.E. (' CHECKED: David W.Hamstra,P.E. `•' . - c�-- i _ J 7 J. SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES — TABLE F LFLORIDA LAKEWATCH DATA FOR STARKE LAKE SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (P94) (II 91/9 (m9/I) (u94) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1992 7/30/1992 27 1,250 1.250 15 15 4 1.22 55 N/A N/A L8/19/1992 30 1,520 1.520 28 28 2 0.61 65 N/A N/A 9/29/1992 32 1,337 1.337 33 33 10/26/1992 34 1,297 1.297 44 44 2 0.61 69 N/A N/A 11/17/1992 33 1,270 1.270 61 61 2 0.61 70 N/A N/A or 12/15/1992 34 1,253 1.253 41 41 1992 AVG. 32 1,321 1.321 37 37 3 0.76 65 N/A N/A 1993 1/19/1993 30 1,073 1.073 37 37 3 0.91 63 N/A N/A 2/11/1993 29 1,110 1.110 47 47 3 0.91 64 N/A N/A L 3/24/1993 31 1,037 1.037 28 28 3 0.91 62 N/A N/A 4/28/1993 25 987 0.987 23 23 2 0.61 63 N/A N/A 5/28/1993 22 1,063 1.063 18 18 2 0.61 61 N/A N/A L 6/29/1993 16 990 0.990 15 15 3 0.91 53 N/A N/A 7/29/1993 13 880 0.880 12 12 3 0.91 51 N/A N/A 8/19/1993 20 1,067 1.067 28 28 3 0.91 58 N/A N/A L 9/28/1993 20 1,097 1.097 24 24 3 0.91 57 N/A N/A 10/21/1993 25 1,410 1.410 35 35 3 0.91 61 N/A N/A 11/23/1993 32 1,403 1.403 37 37 3 0.91 63 N/A N/A 12/21/1993 44 1,173 1.173 72 72 3 0.91 N/A N/A 66 r 1993 AVG. 26 1,108 1.108 31 31 3 0.86 61 N/A N/A is 1994 1/26/1994 47 1,240 1.240 32 32 4 1.22 N/A N/A 59 ilil 2/23/1994 37 907 0.907 18 18 4 1.22 N/A N/A 55 3/23/1994 30 897 0.897 17 17 3 0.91 N/A N/A 57 4/27/1994 27 1,163 1.163 30 30 3 0.91 61 N/A N/A L6/28/1994 26 1,030 1.030 18 18 3 0.91 58 N/A N/A 7/10/1994 25 1,077 1.077 32 32 3 0.91 61 N/A N/A 10/5/1994 36 1,283 1.283 40 40 2 0.61 69 N/A N/A r 11/1/1994 34 1,157 1.157 28 28 2 0.61 66 N/A N/A kw 12/22/1994 51 880 0.880 28 28 4 1.22 N/A N/A 58 1994 AVG. 35 1,070 1.070 27 27 3 0.95 62 N/A N/A t' irr r iiIMI PECIPROFESSIONAL ENGINEERING CONSULTANTS, INC. engineersplanners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee center of PEC Project No: OE-180/1.0 ,tpe Cen Good Llvio LDATE: 14-Jan-05 `11 7..-!'+•hyllir- BY:Stephen C.Medeiros,P.E. ,y e 7 CHECKED: David W.Hamstra,P.E. �`j I i% SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES lir — — TABLE F FLORIDA LAKEWATCH DATA FOR STARKE LAKE ir. SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (Pg4) (p94) (m94) (P GM (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED alio 1995 1/30/1995 40 1,010 1.010 27 27 4 1.22 N/A N/A 57 L2/17/1995 35 940 0.940 15 15 4 1.22 N/A N/A 54 3/14/1995 31 793 0.793 10 10 3 0.91 N/A N/A 54 4/13/1995 30 883 0.883 19 19 4 1.22 N/A N/A 54 1 5/12/1995 24 880 0.880 17 17 5 1.52 52 N/A N/A 6/20/1995 20 1,043 1.043 16 16 7/25/1995 20 1,023 1.023 23 23 8/21/1995 32 1,077 1.077 15 15 4 1.22 56 N/A N/A 9/12/1995 30 1,073 1.073 19 19 4 1.22 57 N/A N/A 10/16/1995 33 910 0.910 25 25 4 1.22 N/A N/A 56 11/14/1995 32 907 0.907 30 30 4 1.22 N/A N/A 57 L 12/12/1995 32 965 0.965 25 25 4 1.22 58 N/A N/A 1995 AVG. 30 959 0.959 20 20 4 1.22 57 N/A N/A 1996 1/23/1996 31 890 0.890 28 28 4 1.22 N/A N/A 56 2115/1996 24 637 0.637 15 15 4 1.22 N/A N/A 51 3/20/1996 26 773 0.773 6 6 4 1.22 N/A N/A 48 L 4/17/1996 26 690 0.690 15 15 4 1.22 N/A N/A 52 5/21/1996 17 847 0.847 26 26 3 0.91 57 N/A N/A 6/25/1996 18 893 0.893 28 28 3 0.91 57 N/A N/A L 7/25/1996 20 983 0.983 26 26 3 0.91 58 N/A N/A 8/27/1996 22 1,060 1.060 27 27 3 0.91 59 N/A N/A 10/1/1996 23 1,143 1.143 39 39 2 0.61 65 N/A N/A 1 11/1/1996 26 1,133 1.133 27 27 2 0.61 64 N/A N/A 11/26/1996 35 1,077 1.077 36 36 3 0.91 64 N/A N/A 12/27/1996 37 1,070 1.070 34 34 3 0.91 N/A N/A 61 R 1996 AVG. 25 933 0.933 26 26 3 0.97 59 N/A N/A iir ilin it r L I PECIPROFESSIONAL ENGINEERING CONSULTANTS, INC. L - e __-- engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee center of G PEC Project No: 0E-180/1.0 � e Good Ltc DATE: 14-Jan-05 J ill BY:Stephen C.Medeiros,P.E. •E CHECKED: David W.Hamstra,P.E. P SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE F FLORIDA LAKEWATCH DATA FOR STARKE LAKE L SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT L (p94) (119/I) (m9/1) (frg/I) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1997 1/31/1997 31 870 0.870 27 27 3 0.91 N/A N/A 59 L2/28/1997 27 737 0.737 23 23 4 1.22 N/A N/A 54 3/28/1997 22 857 0.857 19 19 4 1.22 54 N/A N/A 4/30/1997 22 920 0.920 32 32 3 0.91 60 N/A N/A v 5/28/1997 25 1,003 1.003 22 22 3 0.91 59 N/A N/A 7/2/1997 23 1,040 1.040 22 22 3 0.91 58 N/A N/A 8/5/1997 25 1,043 1.043 26 26 3 0.91 59 N/A N/A F 9/16/1997 23 1,103 1.103 34 34 2 0.61 64 N/A N/A it 11/5/1997 36 1,313 1.313 43 43 2 0.61 69 N/A N/A 1997 AVG. 26 987 0.987 27 27 3 0.91 60 N/A N/A 1998 01/09/1998 44 933 0.933 42 42 4 1.22 N/A N/A 59 02/12/1998 32 727 0.727 31 31 3 0.91 N/A N/A 59 L 03/17/1998 38 960 0.960 17 17 4 1.22 N/A N/A 55 04/17/1998 30 740 0.740 9 9 4 1.22 N/A N/A 50 05/19/1998 23 847 0.847 18 18 3 0.91 57 N/A N/A 06/18/1998 19 903 0.903 16 16 4 1.22 52 N/A N/A L 08/20/1998 20 820 0.820 36 36 09/16/1998 20 1020 1.020 37 37 1998 AVG. 28 869 0.869 26 26 4 1.12 58 N/A N/A L1999 02/09/1999 34 927 0.927 20 20 3 0.91 N/A N/A 58 03/17/1999 27 1073 1.073 27 27 3 0.91 60 N/A N/A 1 04/14/1999 26 1073 1.073 17 17 3 0.91 58 N/A N/A 05/13/1999 23 1060 1.060 19 19 3 0.91 57 N/A N/A 07/28/1999 22 933 0.933 23 23 3 0.91 58 N/A N/A L 08/03/1999 22 1030 1.030 18 18 3 0.91 57 N/A N/A 09/27/1999 26 1163 1.163 47 47 2 0.61 67 N/A N/A 11/09/1999 43 1173 1.173 49 49 2 0.61 N/A N/A 68 12/07/1999 37 993 0.993 40 40 2 0.61 N/A N/A 66 1999 AVG. 29 1047 1.047 29 29 3 0.81 62 N/A N/A ihil q. km AM IMF PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee center of Good PEC Project No: OE-180/1.0 ,S.pe Li DATE: 14-Jan-05 BY:Stephen C.Medeiros,P.E. jr ! J CHECKED: David W.Hamstra,P.E. �A.J SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE F LFLORIDA LAKEWATCH DATA FOR STARKE LAKE SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT L010) (Al 94) (mg/1) 0-194) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 2000 01/11/2000 29 833 0.833 21 21 5 1.52 N/A N/A 52 r 02/21/2000 29 870 0.870 25 25 4 1.22 N/A N/A 55 Ili 03/06/2000 29 893 0.893 18 18 5 1.52 54 N/A N/A 04/25/2000 26 970 0.970 25 25 3 0.91 60 N/A N/A r L 05/15/2000 24 1050 1.050 24 24 3 0.91 59 N/A N/A 06/26/2000 23 1130 1.130 20 20 4 1.22 55 N/A N/A 09/13/2000 26 1053 1.053 35 35 3 0.91 61 N/A N/A 2000 AVG. 27 971 0.971 24 24 4 1.18 57 N/A N/A 2001 01/29/2001 44 960 0.960 20 20 4 1.22 N/A N/A 56 I 03/14/2001 29 730 0.730 20 20 4 1.22 N/A N/A 54 04/13/2001 24 1023 1.023 13 13 3 0.91 56 N/A N/A 05/11/2001 25 1027 1.027 21 21 3 0.91 58 N/A N/A 06/06/2001 20 1017 1.017 16 16 3 0.91 55 N/A N/A be 07/09/2001 22 1063 1.063 18 18 4 1.22 54 N/A N/A 08/09/2001 22 1137 1.137 22 22 3 0.91 58 N/A N/A 09/06/2001 22 1213 1.213 18 18 3 0.91 57 N/A N/A 10/10/2001 31 1267 1.267 27 27 3 0.91 61 N/A N/A WI 11/09/2001 20 1070 1.070 21 21 3 0.91 57 N/A N/A 12/18/2001 32 1117 1.117 23 23 3 0.91 61 N/A N/A 2001 AVG. 26 1057 1.057 20 20 3 1.00 58 N/A N/A fbo 2002 01/25/2002 23 913 0.913 13 13 3 0.91 56 N/A N/A 1 02/13/2002 24 997 0.997 14 14 3 0.91 56 N/A N/A 03/18/2002 22 1000 1.000 11 11 3 0.91 55 N/A N/A 04/16/2002 25 1163 1.163 17 17 3 0.91 57 N/A N/A 06/14/2002 21 1117 1.117 11 11 3 0.91 54 N/A N/A 07/19/2002 17 1060 1.060 9 9 3 0.91 51 N/A N/A 08/16/2002 19 1190 1.190 25 25 3 0.91 57 N/A N/A 09/20/2002 43 1157 1.157 15 15 3 0.91 N/A N/A 58 L 11/18/2002 27 1220 1.220 25 25 3 0.91 60 N/A N/A 2002 AVG. 25 1091 1.091 15 15 3 0.91 57 N/A N/A I L NM INN PECIPROFESSIONAL ENGINEERING CONSULTANTS, INC. -u ----Park engineersnre— 2—— Planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee I ter of PEC Project No: 0E-180/1.0 e Cen Good Ltv DATE: 14-Jan-05 �� BY:Stephen C.Medeiros,P.E. itir E n CHECKED: David W Hamstra,P.E. ` ,- 5 -. 7 SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE F FLORIDA LAKEWATCH DATA FOR STARKE LAKE 1r. SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (pgn) (p9/1) (m94) (PO (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED it 2003 02112/2003 33 1100 1.100 22 22 3 0.91 61 N/A N/A t; 03/17/2003 30 1300 1.300 16 16 2 0.61 63 N/A N/A illa 05/16/2003 25 1163 1.163 17 17 3 0.91 57 N/A N/A 06/12/2003 22 1060 1.060 19 19 3 0.91 57 N/A N/A 07/17/2003 18 1003 1.003 23 23 4 1.07 55 N/A N/A illio 11/04/2003 27 1227 1.227 50 50 3 0.76 65 N/A N/A 2003 AVG. 26 1142 1.142 25 25 3 0.86 60 N/A N/A CUMULATIVE AVERAGE 1992-2003 28 1036 1.036 25 25 3 0.91 60 N/A N/A NOTES: r 1. N/A=NOT APPLICABLE t 2. SHADING INDICATES THAT A READING WAS NOT CONTAINED WITHIN THE LAKEWATCH DATA. onill r sg�� ■r r am r ■r it tiro r ism I I La 0 I O N co N I drO 0 N ♦ d- •♦ . T cm ♦ O III O ♦ • T • cm ♦ I W • T Q •' O J •♦ CV rn • ,- 11J W \ t •' ♦ a) i ' O) N Mr O T N ~ I- CI coQ Z N COrn W r Z CC • • + M H • ' . X C dr N a N. Z Ill ' • M II o • = o r a •I- = I I C) #r. >, C/) U •• • • • rn r- I ti N F- .. • • m • • o- . • ' . •I. • co •• T • • 1 T o) o o o o o o o o o o o ,_ I 0 X3aNI 31V1S 31HdO81 I. C L C L C C L L L L PECIPROFESSIONAL ENGINEERING CONSULTANTS, INC. eers Park planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 Center of Good Liv DATE: 14-Jan-05 t�' fSiS' BY:Stephen C.Medeiros,P.E. CO�+ � CHECKED: David W.Hamstra,P.E. ` � �% a", �. -�_-�--'? ‘, # SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES - tor TABLE G FLORIDA LAKEWATCH DATA FOR LAKE PRIMA VISTA iarr SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (1194) (11 g4) (m94) (11g/1) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1992 7/30/1992 23 1,297 1.297 44 44 2 0.61 65 N/A N/A L 8/19/1992 21 1,113 1.113 42 42 2 0.61 65 N/A N/A 9/29/1992 39 1,897 1.897 31 31 2 0.61 68 N/A N/A 10/26/1992 37 1,723 1.723 42 42 2 0.61 69 N/A N/A r 11/16/1992 37 1,823 1.823 51 51 2 0.61 70 N/A N/A Ir. 12/15/1992 31 1,703 1.703 35 35 2 0.61 67 N/A N/A 1992 AVG. 31 1,593 1.593 41 41 2 0.61 67 N/A N/A 1993 lib 1/19/1993 31 1,547 1.547 24 24 3 0.91 61 N/A N/A 2/10/1993 33 1,520 1.520 46 46 3 0.91 64 N/A N/A 3/24/1993 31 967 0.967 24 24 3 0.91 61 N/A N/A 4/28/1993 28 1,213 1.213 27 27 2 0.61 65 N/A N/A ilia 5/28/1993 28 1,163 1.163 13 13 3 0.91 57 N/A N/A 6/29/1993 25 1,260 1.260 21 21 3 0.91 58 N/A N/A 7/29/1993 23 1,153 1.153 23 23 3 0.91 58 N/A N/A illin 8/19/1993 31 1,540 1.540 57 57 3 0.91 65 N/A N/A 9/28/1993 32 1,550 1.550 34 34 3 0.91 63 N/A N/A L10/21/1993 40 2,037 2.037 34 34 3 0.91 65 N/A N/A 11/23/1993 38 2,025 2.025 35 35 3 0.91 64 N/A N/A 12/21/1993 46 1,957 1.957 47 47 3 0.91 67 N/A N/A i 1993 AVG. 32 1,494 1.494 32 32 3 0.89 63 N/A N/A tie 1994 1/26/1994 107 2,933 2.933 166 166 3 0.91 N/A N/A 75 L 2/23/1994 44 1,420 1.420 29 29 3 0.91 64 N/A N/A 3/23/1994 35 1,220 1.220 19 19 3 0.91 61 N/A N/A 4/27/1994 35 1,350 1.350 30 30 3 0.91 63 N/A N/A 6/28/1994 26 1,190 1.190 23 23 3 0.91 59 N/A N/A L 7/10/1994 45 1,457 1.457 37 37 2 0.61 70 N/A N/A 10/5/1994 38 1,550 1.550 38 38 2 0.61 69 N/A N/A ` 11/1/1994 35 1,797 1.797 36 36 2 0.61 68 N/A N/A tie 12/22/1994 60 1,773 1.773 31 31 7 2.13 N/A N/A 55 1994 AVG. 47 1,632 1.632 45 45 3 0.95 67 N/A N/A big I. NM r r+ PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 ilso PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 be Center of Good Ltv r DATE: 14-Jan-05 4 �O8 Yr BY: Stephen C.Medeiros,P.E. - CHECKED: David W.Hamstra,P.E. ,J '1: --C- , _ t SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES Mr TABLE G FLORIDA LAKEWATCH DATA FOR LAKE PRIMA VISTA kw SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (19/1) (u94) (mgn) (P94) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED im 1995 1/30/1995 48 1,493 1.493 22 22 7 2.13 55 N/A N/A 2/17/1995 41 1,413 1.413 17 17 7 2.13 53 N/A N/A km 3/14/1995 35 1,160 1.160 22 22 3 0.91 61 N/A N/A 4/13/1995 42 1,250 1.250 25 25 4 1.22 N/A N/A 58 t 5/12/1995 29 1,023 1.023 25 25 5 1.52 55 N/A N/A lig. 6/20/1995 34 1,333 1.333 28 28 7/25/1995 30 1,300 1.300 30 30 4 8/21/1995 36 1,400 1.400 22 22 4 1.22 59 N/A N/A limo 9/1211995 28 1,270 1.270 23 23 4 1.22 57 N/A N/A 10/16/1995 44 1,597 1.597 29 29 4 1.22 62 N/A N/A L 11/14/1995 47 1,603 1.603 31 31 4 1.22 62 N/A N/A 12/12/1995 33 1,473 1.473 24 24 4 1.22 58 N/A N/A 1995 AVG. 37 1,360 1.360 25 25 5 1.40 58 N/A N/A 1996 1/23/1996 32 1,483 1.483 26 26 4 1.22 59 N/A N/A iir 2/15/1996 24 793 0.793 17 17 4 1.22 54 N/A N/A 3/20/1996 25 1,077 1.077 17 17 4 1.22 55 N/A N/A 4/17/1996 24 1,003 1.003 17 17 4 1.22 54 N/A N/A ism 5/21/1996 22 917 0.917 29 29 3 0.91 59 N/A N/A 6/25/1996 23 920 0.920 31 31 3 0.91 60 N/A N/A L 7/25/1996 30 1,327 1.327 47 47 3 0.91 64 N/A N/A 8/27/1996 30 1,257 1.257 42 42 3 0.91 63 N/A N/A 10/1/1996 32 1,413 1.413 37 37 2 0.61 67 N/A N/A L 11/1/1996 34 1,510 1.510 26 26 1 0.30 73 N/A N/A 11/26/1996 39 1,510 1.510 35 35 2 0.61 69 N/A N/A 12/27/1996 39 1,387 1.387 33 33 3 0.91 64 N/A N/A 1996 AVG. 30 1,216 1.216 30 30 3 0.91 62 N/A N/A lir s lir F am a r r h. r 6. ',EC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. f engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 the Center of Good , DATE: 14-Jan-05 ,, 8 BY: Stephen C.Medeiros,P.E. COR CHECKED: David W.Hamstra,P.E. /®!•J� SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE G tFLORIDA LAKEWATCH DATA FOR LAKE PRIMA VISTA km SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT r (p AA) _ (kms) (mg/9 (kms) (mg/m') (feet) (meters) LIMITED LIMITED BALANCED iliIr 1997 1/31/1997 40 1,330 1.330 32 32 3 0.91 64 N/A N/A L2/28/1997 30 1,053 1.053 34 34 3 1.02 61 N/A N/A 3/28/1997 28 1,023 1.023 26 26 2 0.61 64 N/A N/A 4/30/1997 31 1,127 1.127 46 46 2 0.61 68 N/A N/A L 5/28/1997 28 1,120 1.120 27 27 3 0.91 61 N/A N/A 7/2/1997 29 1,117 1.117 14 14 3 0.91 58 N/A N/A 8/5/1997 30 1,200 1.200 47 47 2 0.61 68 N/A N/A 9/16/1997 29 1,270 1.270 35 35 2 0.61 66 N/A N/A 11/5/1997 39 1,463 1.463 39 39 2 0.61 69 N/A N/A 1997 AVG. 32 1189 1.189 33 33 2 0.76 64 N/A N/A I 1998 01/09/1998 52 1167 1.167 26 26 3 0.91 N/A N/A 61 02/12/1998 37 1180 1.180 31 31 3 0.91 63 N/A N/A f 03/17/1998 47 1083 1.083 38 38 2 0.61 N/A N/A 66 04/17/1998 35 900 0.900 13 13 4 1.22 N/A N/A 53 he 05/19/1998 29 1097 1.097 27 27 3 0.91 61 N/A N/A f 06/18/1998 23 1050 1.050 23 23 3 0.91 58 N/A N/A 08/20/1998 25 1383 1.383 63 63 how 09/16/1998 31 1577 1.577 44 44 e 1998 AVG. 35 1180 1.180 33 33 3 0.91 63 N/A N/A 1999 `' 02109/1999 36 1110 1.110 21 21 3 0.91 61 N/A N/A L 34 1253 1.253 26 26 3 0.91 62 N/A N/A 04/14/1999 27 1260 1.260 17 17 3 0.91 58 N/A N/A 05/13/1999 25 1153 1.153 24 24 3 0.91 59 N/A N/A 07/28/1999 24 1070 1.070 22 22 3 0.91 58 N/A N/A L 08/03/1999 24 1017 1.017 24 24 3 0.91 59 N/A N/A 09/27/1999 27 1153 1.153 49 49 2 0.61 67 N/A N/A 11/09/1999 46 1763 1.763 64 64 2 0.61 73 N/A N/A t' 12/07/1999 40 1403 1.403 44 44 2 0.61 70 N/A N/A lir 1999 AVG. 31 1242 1.242 32 32 3 0.81 63 N/A N/A r lift WI MON PEC'PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 IND PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 �'e Center of Good LI v DATE: 14-Jan-05 ine ilir BY:Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. E SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES tem TABLE G FLORIDA LAKEWATCH DATA FOR LAKE PRIMA VISTA r. SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (i<9n) (11g4) (mg4) (age) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED two 2000 01/11/2000 36 1267 1.267 38 38 5 1.52 59 N/A N/A r 02/21/2000 41 1363 1.363 37 37 3 0.91 65 N/A N/A ills 03/06/2000 36 1143 1.143 29 29 5 1.52 58 N/A N/A 04/25/2000 33 1253 1.253 34 34 2 0.61 67 N/A N/A 05/15/2000 28 1167 1.167 27 27 3 0.91 61 N/A N/A 06/26/2000 31 1323 1.323 31 31 4 1.22 59 N/A N/A 09/13/2000 28 1217 1.217 24 24 3 0.91 60 N/A N/A L 2000 AVG. 33 1248 1.248 31 31 4 1.09 61 N/A N/A 2001 01/29/2001 17 17 4 1.22 L 03/14/2002 37 1163 1.163 19 19 3 0.91 61 N/A N/A 04/13/2001 33 1220 1.220 17 17 3 0.91 60 N/A N/A 05/11/2001 32 1407 1.407 23 23 2 0.61 65 N/A N/A L06/06/2001 37 1290 1.290 28 28 2 0.61 67 N/A N/A 07/09/2001 32 1273 1.273 28 28 3 0.91 62 N/A N/A 08/09/2001 30 1377 1.377 26 26 3 0.91 61 N/A N/A 09/06/2001 33 1457 1.457 29 29 2 0.61 66 N/A N/A L 10/10/2001 31 1270 1.270 28 28 3 0.91 62 N/A N/A 11/07/2001 24 1167 1.167 20 20 3 0.91 58 N/A N/A 12/18/2001 32 1087 1.087 23 23 3 0.91 61 N/A N/A 2001 AVG. 32 1271 1.271 23 23 3 0.86 61 N/A N/A 2002 01/25/2002 22 793 0.793 13 13 3 0.91 55 N/A N/A L 02/13/2002 25 997 0.997 13 13 3 0.91 56 N/A N/A 03/18/2002 23 1010 1.010 12 12 3 0.91 55 N/A N/A 04/16/2002 26 1247 1.247 17 17 3 0.91 58 N/A N/A L 06/14/2002 20 1090 1.090 11 11 3 0.91 54 N/A N/A 07/19/2002 20 950 0.950 9 9 3 0.91 53 N/A N/A 08/16/2002 30 1113 1.113 34 34 3 0.91 62 N/A N/A r 09/20/2002 26 1007 1.007 25 25 3 0.91 60 N/A N/A L 11/18/2002 27 1263 1.263 24 24 3 0.91 60 N/A N/A 2002 AVG. 24 1052 1.052 18 18 3 0.91 57 N/A N/A imp P fir r A ha ',EC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. If engineers planners surveyors k, Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 f` PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 be Center of Good Lv DATE: 14-Jan-05 <�ii+wl ' BY: Stephen C.Medeiros,P.E. • CHECKED: David W.Hamstra,P.E. � � , SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES II TABLE G rFLORIDA LAKEWATCH DATA FOR LAKE PRIMA VISTA SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (119/1) (kg4) (m94) (pgI) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 2003 02/1212003 34 1437 1.437 12 12 4 1.22 55 N/A N/A I03/17/2003 30 1233 1.233 20 20 2 0.61 64 N/A N/A 05/16/2003 28 1150 1.150 22 22 3 0.91 60 N/A N/A 06/12/2003 26 1270 1.270 29 29 3 0.76 62 N/A N/A P 07/17/2003 26 1227 1.227 41 41 3 0.91 62 N/A N/A tiro 11/04/2003 33 1260 1.260 61 61 3 0.76 68 N/A N/A 2003 AVG. 30 1263 1.263 31 31 3 0.86 62 N/A N/A lis CUMULATIVE AVERAGE 1992-2003 33 1311 1.311 31 31 3 0.91 63 N/A N/A NOTES: I 1. N/A=NOT APPLICABLE 2. SHADING INDICATES THAT A READING WAS NOT CONTAINED WITHIN THE LAKEWATCH DATA. I I I I I I I I Vn O o i CO N N La .1- o O 0 N • tt S. T ♦ o • O 11 ♦ ♦• T • •4 /I-/� • • V) • ♦ T ♦• •• o a a, 2 C — • .♦ a) Y • • • T• E < •• ~ co r W CC O ch co co 0rn Z • r Z w • • • K O , a r I- • ~ CO 0 et .. W •• •• 0 I I CD C‘I rn Ci) Z • i • O a)♦ ♦ • I r LIJiiir 1- • •4 I • cn I • ♦ >' Lc, E cn U t • •• co E ♦ • • o O =• cc ch H rn ♦ T •• P • ♦ • ♦. co • •1 ♦ rn L ,4: 4 .1 s rn rn , 0 0 0 0 0 0 0 0 0 0 0 °' o O CO N CO to d' co N T _.. X3ONI 31V1S 3IHdO1:11 •A ��Xq. • 3 ;4 p 4- i XYS. r • r � $ r • • • ,2fµy g� 3 ly 1 r L L PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 Abe Center of Good Lw DATE: 14-Jan-05 ;1+*9 � r BY: Stephen C.Medeiros,P.E. CO , CHECKED: David W.Hamstra,P.E. SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE H FLORIDA LAKEWATCH DATA FOR LAKE OLYMPIA i•r SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (119/1) (P9/1) (m9/I) (119/1) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED I" 1992 7/28/1992 11 767 0.767 9 9 8 2.44 38 N/A N/A P 8/20/1992 12 833 0.833 17 17 4 1.22 49 N/A N/A Yr 9/29/1992 16 910 0.910 16 16 5 1.52 49 N/A N/A 10/28/1992 13 887 0.887 13 13 4 1.22 48 N/A N/A , 11/16/1992 15 950 0.950 13 13 4 1.22 49 N/A N/A ow 12/15/1992 12 890 0.890 3 3 4 1.22 41 N/A N/A L1992 AVG. 13 873 0.873 12 12 5 1.47 46 N/A N/A 1993 1/18/1993 7 780 0.780 5 5 4 1.22 39 N/A N/A 2/10/1993 7 890 0.890 4 4 4 1.22 38 N/A N/A L 3/23/1993 9 875 0.875 3 3 4 1.22 38 N/A N/A 4/27/1993 8 747 0.747 3 3 4 1.22 37 N/A N/A 5/27/1993 8 667 0.667 3 3 12 3.66 26 N/A N/A 6/28/1993 7 643 0.643 4 4 6 1.83 34 N/A N/A L 7/28/1993 10 583 0.583 5 5 6 1.83 37 N/A N/A 8/19/1993 11 627 0.627 7 7 4 1.22 44 N/A N/A 9/28/1993 13 770 0.770 6 6 4 1.22 44 N/A N/A r 10/20/1993 10 720 0.720 2 2 4 1.22 37 N/A N/A lir 11/22/1993 8 743 0.743 1 1 4 1.22 32 N/A N/A 12122/1993 12 697 0.697 3 3 4 1.22 41 N/A N/A 1993 AVG. 9 729 0.729 4 4 5 1.52 37 N/A N/A i' 1994 1/25/1994 10 727 0.727 4 4 14 4.27 28 N/A N/A L 2/22/1994 10 653 0.653 3 3 11 3.35 29 N/A N/A 3/23/1994 11 613 0.613 3 3 10 3.05 31 N/A N/A 4/28/1994 11 643 0.643 5 5 8 2.44 35 N/A N/A 6/27/1994 5 613 0.613 5 5 9 2.74 28 N/A N/A L7/10/1994 10 693 0.693 9 9 7 2.13 39 N/A N/A 10/4/1994 9 677 0.677 10 10 7 2.13 38 N/A N/A t; 11/2/1994 10 690 0.690 7 7 7 2.13 38 N/A N/A ilim 12/21/1994 9 747 0.747 5 5 6 1.83 37 N/A N/A 1994 AVG. 9 673 0.673 6 6 9 2.68 34 N/A N/A am ism I I PECI PROFESSIONAL ENGINEERING CONSULTANTS, INC. 1 engineers planners surveyors 407/422-8062 Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: OE-180/1.0 Centex of Good yr DATE: 14-Jan-05 yy � }„� BY: Stephen C.Medeiros,P.E. CHECKED: David W Hamstra,P.E. � II_ \ 1 P1p SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES am ----------____— TABLE H r FLORIDA LAKEWATCH DATA FOR LAKE OLYMPIA lir SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT t (1194) (1194) (m9/I) (P94) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED ii" 1995 r 1/31/1995 11 720 0.720 6 6 6 1.83 39 N/A N/A 2116/1995 12 703 0.703 1 1 7 2.13 30 N/A N/A lim 3/13/1995 10 693 0.693 2 2 12 3.66 26 N/A N/A 4/12/1995 8 550 0.550 7 7 13 3.96 30 N/A N/A r 5/12/1995 9 503 0.503 1 1 14 4.27 20 N/A WA illoi 6/19/1995 12 540 0.540 8 8 7/24/1995 8 573 0.573 6 6 L 8/22/1995 8 510 0.510 3 3 16 4.88 23 N/A N/A 9/13/1995 9 527 0.527 3 3 16 4.88 24 N/A N/A 10/17/1995 11 640 0.640 22 22 16 4.78 36 N/A N/A L11/13/1995 11 577 0.577 14 14 16 4.88 33 N/A N/A 12/11/1995 10 633 0.633 5 5 16 4.88 28 N/A N/A 1995 AVG. 10 597 0.597 7 7 13 4.01 31 N/A N/A 1996 1/22/1996 9 653 0.653 3 3 16 4.88 24 N/A N/A 2/14/1996 10 557 0.557 14 14 16 4.88 33 N/A N/A 3/19/1996 10 517 0.517 4 4 16 4.88 27 N/A N/A 4/16/1996 10 507 0.507 7 7 15 4.57 30 N/A N/A 5/20/1996 6 430 0.430 2 2 14 4.27 20 N/A N/A 6/24/1996 8 450 0.450 3 3 14 4.27 24 N/A N/A L 7/24/1996 8 487 0.487 4 4 14 4.27 26 N/A N/A 8/26/1996 9 487 0.487 4 4 14 4.27 26 N/A N/A 9/30/1996 9 550 0.550 5 5 9 2.74 33 N/A N/A L10/31/1996 8 520 0.520 4 4 7 2.13 34 N/A N/A 11/25/1996 12 .593 0.593 4 4 9 2.74 34 N/A N/A 12126/1996 10 617 0.617 3 3 11 3.35 30 N/A N/A 1996 AVG. 9 531 0.531 5 5 13 3.94 29 N/A N/A I I L I I PECIPROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eo/a Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: OE-180/1.0 be center of Good L.h I DATE: 14-Jan-05 ! BY:Stephen C.Medeiros,P.E. CHECKED: David W Hamstra,P.E. i�• r SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES - as TABLE H FLORIDA LAKEWATCH DATA FOR LAKE OLYMPIA L SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT a (P 94) (P9/I) (m9/I) (fr9/I) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED lie 1997 1/30/1997 10 517 0.517 2 2 12 3.66 26 N/A N/A I 2/28/1997 10 557 0. 6 10 3.05 33 N/A N/A 3/27/1997 10 497 0.497557 6 1 1 11 3.35 25 N/A N/A 4/29/1997 11 423 0.423 4 4 11 3.35 31 N/A N/A 5/27/1997 11 453 0.453 6 6 11 3.35 34 N/A N/A 7/1/1997 10 510 0.510 4 4 11 3.35 30 N/A N/A 8/4/1997 11 493 0.493 3 3 8 2.44 33 N/A N/A I 9/15/1997 10 560 0.560 6 6 9 2.74 34 N/A N/A 11/3/1997 14 723 0.723 8 8 6 1.83 43 N/A N/A 1997 AVG. 11 526 0.526 4 4 10 3.01 32 N/A N/A r 1998 01/06/1998 14 720 0.720 8 8 8 2.44 39 N/A N/A be 02/10/1998 10 637 0.637 6 6 9 2.74 34 N/A N/A 03/17/1998 15 730 0.730 8 8 9 2.74 39 N/A N/A 04/15/1998 14 577 0.577 8 8 9 2.74 38 N/A N/A 05/20/1998 10 500 0.500 4 4 10 3.05 31 N/A N/A 06/17/1998 8 530 0.530 3 3 10 3.05 28 N/A N/A I08/20/1998 7 483 0.483 4 4 09/16/1998 7 497 0.497 7 7 1998 AVG. 11 584 0.584 6 6 9 2.79 35 N/A N/A I 1999 03/16/1999 9 463 0.463 5 5 12 3.66 30 N/A N/A 04/13/1999 11 550 0.550 3 3 12 3.66 29 N/A N/A I 05/13/1999 10 517 0.517 3 3 7 2.13 33 N/A N/A 07/28/1999 10 493 0.493 3 3 7 2.13 33 N/A N/A 08/03/1999 10 527 0.527 11 11 7 2.13 40 N/A N/A I 11/09/1999 13 607 0.607 4 4 7 2.13 37 N/A N/A 12/08/1999 13 560 0.560 7 7 7 2.13 40 N/A N/A 1999 AVG. 11 531 0.531 5 5 8 2.57 35 N/A N/A I 2000 01/11/2000 12 663 0.663 7 7 8 2.44 38 N/A N/A 03/07/2000 10 677 0.677 5 5 9 2.74 33 N/A N/A I 04/25/2000 11 563 0.563 5 5 8 2.44 35 N/A N/A 06/21/2000 12 713 0.713 8 8 7 2.13 40 N/A N/A 2000 AVG. 11 654 0.654 6 6 8 2.44 36 N/A N/A I PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 Lbe Center of Good Lt� Dyir ATE: 14-Jan-05 t BY:Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. ,- - SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES kir TABLE H r= FLORIDA LAKEWATCH DATA FOR LAKE OLYMPIA la SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT L (494) (k94) (m94) (kg4) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 2001 01/26/2001 9 673 0.673 2 2 14 4.27 24 N/A N/A L 03/13/2001 13 683 0.683 5 5 12 3.66 33 N/A N/A 04/12/2001 11 633 0.633 5 5 12 3.66 31 N/A N/A 05/09/2001 13 703 0.703 3 3 7 2.13 36 N/A N/A Li 06/05/2001 11 583 0.583 4 4 7 2.13 36 N/A N/A 07/12/2001 15 597 0.597 9 9 9 2.74 39 N/A N/A 08/08/2001 12 540 0.540 5 5 7 2.13 37 N/A N/A f 09/05/2001 13 577 0.577 8 8 6 1.83 42 N/A N/A ihr 10/09/2001 15 663 0.663 9 9 4 1.22 48 N/A N/A 11/08/2001 13 703 0.703 2 2 10 3.05 30 N/A N/A t 12/17/2001 15 640 0.640 4 4 8 2.44 37 N/A N/A 2001 AVG. 11 678 0.678 4 4 13 3.96 29 N/A N/A kin 2002 01/24/2002 11 650 0.650 1 1 8 2.44 28 N/A N/A L02113/2002 12 573 0.573 2 2 8 2.44 32 N/A N/A 03/18/2002 12 537 0.537 3 3 8 2.44 33 N/A N/A 04/16/2002 13 590 0.590 3 3 8 2.44 34 N/A N/A L 06/13/2002 13 650 0.650 3 3 7 2.13 36 N/A N/A 07/18/2002 13 607 0.607 5 5 8 2.44 37 N/A N/A 08/15/2002 15 557 0.557 8 8 5 1.52 45 N/A N/A L 09/19/2002 13 597 0.597 7 7 10 3.05 36 N/A N/A 11/15/2002 12 777 0.777 8 8 8 2.44 38 N/A N/A 2002 AVG. 13 615 0.615 4 4 8 2.44 36 N/A N/A 2003 02/13/2003 17 827 0.827 1 1 8 2.44 31 N/A N/A 03/14/2003 18 1037 1.037 4 4 7 2.13 39 N/A N/A 05/19/2003 11 643 0.643 3 3 9 2.74 32 N/A N/A 06/12/2003 13 667 0.667 6 6 8 2.35 38 N/A N/A 07/17/2003 8 657 0.657 6 6 8 2.35 34 N/A N/A ( 2003 AVG. 13 766 0.766 4 4 8 2.29 36 N/A N/A CUMULATIVE AVERAGE lir 1992-2003 11 631 0.631 5 5 9 2.74 34 N/A N/A r NOTES: 1. N/A=NOT APPLICABLE ills 2. SHADING INDICATES THAT A READING WAS NOT CONTAINED WITHIN THE LAKEWATCH DATA. r iti. I I in 0 0 I N N Lo I 0 O O N T I N • O O • •: N r Cri ♦ • I _Q • • • a • •• o _ ••. rn ♦ T O C LLJ Y • •I• rn rn J : a) o E 0 LO • T W LL • I` O a ifw .zr N. zz z H 'i O •♦• • ♦ N a X O • 2 W N O • • Q kw NII• •• C) O • r W O • •i' "L • a II = Cl) >% • • • ? In V • ♦ a) a S CoN 0 2 ♦ o CC I I- ♦• _ a) ♦ O) I .4 ♦ in • •II '. c4 $ • • ♦ CO • � rn T • 1 II T ai O O O O O O O O O O O O O 00 co .1' co N T 6 X3ONI 31V1S 3IHdO1:11 C C C L L L L C C C C C L C L PEC'PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors ` Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 i PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0he Center of Good 4� DATE: 14-Jan-05 rr� BY: Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. fC - .,.= SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES km TABLE I t FLORIDA LAKEWATCH DATA FOR LAKE BENNET Yr SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT L (Irg/I) (µg/1) (mg/I) (pg/I) (mg/rn3) (feet) (meters) LIMITED LIMITED BALANCED 1992 7/28/1992 23 720 0.720 7 7 7 2.13 44 N/A N/A 8/18/1992 23 773 0.773 11 11 5 1.52 50 N/A N/A L 9/28/1992 29 793 0.793 8 8 6 1.83 N/A N/A 45 10/29/1992 23 673 0.673 17 17 6 1.83 N/A N/A 48 r 11/16/1992 19 720 0.720 8 8 6 1.83 45 N/A N/A iiii 12./16/1992 15 760 0.760 5 5 6 1.83 41 N/A N/A 1992 AVG. 22 740 0.740 9 9 6 1.83 46 N/A N/A 1993 L 1/18/1993 22 790 0.790 6 6 6 1.83 45 N/A N/A 2/10/1993 18 903 0.903 2 2 6 1.83 38 N/A N/A 3/23/1993 17 760 0.760 3 3 6 1.83 39 N/A N/A 4/27/1993 18 763 0.763 2 2 6 1.83 38 N/A N/A 5/27/1993 18 717 0.717 3 3 6 1.83 40 N/A N/A 6/29/1993 20 723 0.723 5 5 5 1.52 45 N/A N/A 7/28/1993 17 530 0.530 5 5 5 1.52 43 N/A N/A 8/20/1993 22 733 0.733 3 3 7 2.13 40 N/A N/A 9/27/1993 21 733 0.733 10 10 7 2.13 45 N/A N/A L 10/21/1993 31 850 0.850 29 29 7 2.13 N/A N/A 51 11/22/1993 24 763 0.763 10 10 7 2.13 46 N/A N/A 12/21/1993 14 687 0.687 23 23 7 2.13 46 N/A N/A 1993 AVG. 20 746 0.746 8 8 6 1.90 45 N/A N/A L1994 1/25/1994 23 690 0.690 13 13 4 1.22 N/A N/A 51 2/22/1994 22 647 0.647 5 5 4 1.22 N/A N/A 46 3/22/1994 19 570 0.570 6 6 6 1.83 N/A N/A 42 4/28/1994 15 643 0.643 4 4 10 3.05 34 N/A N/A 6/29/1994 11 607 0.607 6 6 12 3.66 32 N/A N/A E7/10/1994 16 613 0.613 11 11 9 2.74 41 N/A N/A 10/4/1994 20 617 0.617 12 12 8 2.44 44 N/A N/A 11/2/1994 18 593 0.593 8 2.44 I 12/21/1994 21 543 0.543 4 4 7 2.13 N/A N/A 38 1994 AVG. 18 614 0.614 8 8 8 2.30 42 N/A N/A r Ilii r i PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 kill PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 Centel of Good Lt ,the yr DATE: 14-Jan-05 BY: Stephen C.Medeiros,P.E. f``r'® // CHECKED: David W.Hamstra,P.E. `^ SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES W TABLE I t FLORIDA LAKEWATCH DATA FOR LAKE BENNET SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT L (p94) (II 9/1) (mg/1) (pg/i) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1995 1/31/1995 17 467 0.467 5 5 7 2.13 N/A N/A 38 r.4 2/17/1995 20 493 0.493 3 3 7 2.13 N/A N/A 37 r 3/13/1995 23 630 0.630 2 2 8 2.44 N/A N/A 34 4/12/1995 23 590 0.590 6 6 9 2.74 N/A N/A 38 r5/11/1995 21 413 0.413 2 2 10 3.05 N/A N/A 31 ill 6/19/1995 20 573 0.573 5 5 7/24/1995 17 540 0.540 5 5 r 8/22/1995 22 620 0.620 14 14 11 3.35 N/A N/A 40 it, 9/13/1995 21 607 0.607 14 14 11 3.35 N/A N/A 40 10/16/1995 23 617 0.617 10/17/1995 22 500 0.500 15 15 11 3.35 N/A N/A 40 r 11/8/1995 23 603 0.603 11/13/1995 20 553 0.553 8 8 11 3.35 N/A N/A 37 12/11/1995 15 490 0.490 6 6 11 3.35 35 N/A N/A tt 1995 AVG. 21 550 0.550 7 7 10 2.93 N/A N/A 38 illio 1996 1/22/1996 14 500 0.500 5 5 11 3.35 34 N/A N/A 2/14/1996 16 480 0.480 1 1 11 3.35 N/A N/A 26 3/19/1996 18 490 0.490 1 1 11 3.35 N/A N/A 26 4/16/1996 22 567 0.567 5 5 10 3.05 N/A N/A 36 5/20/1996 17 527 0.527 6 6 9 2.74 39 N/A N/A E 6/24/1996 19 513 0.513 6 6 9 2.74 N/A N/A 38 7/24/1996 15 470 0.470 14 14 9 2.74 42 N/A N/A I 8/26/1996 16 620 0.620 14 14 9 2.74 42 N/A N/A 9/30/1996 23 683 0.683 19 19 5 1.52 N/A N/A 50 10/31/1996 22 600 0.600 12 12 6 1.83 N/A N/A 46 11/25/1996 18 567 0.567 8 8 8 2.44 42 N/A N/A 12/26/1996 17 713 0.713 6 6 10 3.05 37 N/A N/A 1996 AVG. 18 561 0.561 8 8 9 2.74 40 N/A N/A L r L ri NMI Ma PECIPROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 lir PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 the center of Good Ltv DATE: 14-Jan-05 � BY:Stephen C.Medeiros,P.E. ,,,..��.. CHECKED: David W.Hamstra,P.E. �C t+1 __ __. ii SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE I FLORIDA LAKEWATCH DATA FOR LAKE BENNET ilir SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT L (pg/1) 0,0) (mg,) (pg/I) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1997 1/31/1997 25 730 0.730 19 19 9 2.74 N/A N/A 45 2/27/1997 19 610 0.610 6 6 11 3.45 37 N/A N/A 3/28/1997 20 487 0.487 10 10 7 2.13 N/A N/A 42 4/29/1997 31 600 0.600 37 37 5 1.52 N/A N/A 54 L 5/27/1997 21 597 0.597 5 5 7 2.13 N/A N/A 39 7/1/1997 22 560 0.560 6 6 8 2.44 N/A N/A 39 8/4/1997 21 637 0.637 8 8 6 1.83 46 N/A N/A L 9/15/1997 24 647 0.647 14 14 6 1.83 N/A N/A 47 11/3/1997 23 583 0.583 9 9 8 2.44 N/A N/A 42 1997 AVG. 23 606 0.606 13 13 7 2.28 N/A N/A 44 1998 L 01/06/1998 33 703 0.703 6 6 9 2.74 N/A N/A 40 02/10/1998 21 567 0.567 10 10 8 2.44 N/A N/A 42 03/16/1998 28 867 0.867 1 1 10 3.05 33 N/A N/A I04/15/1998 26 660 0.660 10 3.05 05/18/1998 23 953 0.953 5 5 8 2.44 41 N/A N/A 06/18/1998 19 563 0.563 3 3 7 2.13 N/A N/A 37 08/20/1998 21 543 0.543 3 3 09/16/1998 19 603 0.603 9 9 10/26/1998 19 547 0.547 17 17 8 2.44 N/A N/A 44 11/13/1998 20 547 0.547 12 12 8 2.44 N/A N/A 42 12/10/1998 20 563 0.563 17 17 8 2.44 N/A N/A 44 1998 AVG. 23 647 0.647 8 8 8 2.57 N/A N/A 41 1999 02/09/1999 16 487 0.487 4 4 11 3.35 34 N/A N/A 03/15/1999 15 497 0.497 2 2 13 3.96 29 N/A N/A 04/12/1999 14 497 0.497 1 1 14 4.27 24 N/A N/A I 05/12/1999 10 463 0.463 3 3 10 3.05 30 N/A N/A 07/27/1999 16 563 0.563 3 3 10 3.05 34 N/A N/A 08/02/1999 17 587 0.587 1 1 10 3.05 29 N/A N/A 09/27/1999 26 580 0.580 4 4 7 2.13 N/A N/A 39 11/09/1999 22 550 0.550 3 3 11 3.35 N/A N/A 33 E 12/07/1999 15 497 0.497 2 2 14 4.27 28 N/A N/A 1999 AVG. 17 525 0.525 3 3 11 3.39 33 N/A N/A I .. PEC'PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 MO PROJECT: Selected Lakes Within the City of Ocoee Center of PEC Project No: 0E-180/1.0 Cen Good Li �ba , Is DATE: 14-Jan-05 BY: Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. 1+ SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES as TABLE I FLORIDA LAKEWATCH DATA FOR LAKE BENNET SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT E (pg//) (pg4) (mg/I) (pg/I) (mg/rn3) (feet) (meters) LIMITED LIMITED BALANCED 2000 01/11/2000 15 540 0.540 5 5 16 4.88 31 N/A N/A L 02/18/2000 11 450 0.450 2 2 14 4.27 25 N/A N/A 03/07/2000 14 530 0.530 3 3 11 3.35 32 N/A N/A 04/25/2000 14 537 0.537 2 2 L 05/16/2000 16 443 0.443 1 1 06/22/2000 19 640 0.640 2 2 09/12/2000 19 600 0.600 6 6 9 2.74 39 N/A N/A 2000 AVG. 15 534 0.534 3 3 13 3.81 31 N/A N/A L2001 01/24/2001 19 803 0.803 3 3 10 3.05 35 N/A N/A L 03/12/2001 19 570 0.570 2 2 13 3.96 N/A N/A 29 04/12/2001 15 833 0.833 2 2 11 3.35 30 N/A N/A 05/09/2001 34 813 0.813 11 11 4 1.22 N/A N/A 52 06/05/2001 21 593 0.593 5 5 5 1.52 N/A N/A 43 07/10/2001 20 663 0.663 3 3 9 2.74 36 N/A N/A 08/07/2001 23 710 0.710 5 5 5 1.52 46 N/A N/A 09/04/2001 19 610 0.610 3 3 6 1.83 40 N/A N/A 10/08/2001 19 507 0.507 5 5 6 1.83 N/A N/A 40 11/07/2001 19 560 0.560 4 4 6 1.83 N/A N/A 40 12/17/2001 20 513 0.513 4 4 6 1.83 N/A N/A 40 r 2001 AVG. 21 652 0.652 4 4 7 2.24 40 N/A N/A b. 2002 01/23/2002 11 517 0.517 1 1 6 1.83 30 N/A N/A r 02111/2002 15 533 0.533 _ 1 _ 1 6 1.83 33 N/A N/A iliti 03/15/2002 14 520 0.520 1 1 6 1.83 32 N/A N/A 04/15/2002 18 563 0.563 5 5 6 1.83 42 N/A N/A L 06/12/2002 14 470 0.470 2 2 6 1.83 36 N/A N/A 07/17/2002 18 447 0.447 6 6 6 1.83 N/A N/A 41 08/14/2002 21 473 0.473 6 6 6 1.68 N/A N/A 43 r 09/18/2002 18 473 0.473 3 3 4 1.22 N/A N/A 41 try 11/14/2002 18 547 0.547 1 1 7 2.13 34 N/A N/A 2002 AVG. 16 505 0.505 3 3 6 1.78 39 N/A N/A P Ile c k r.. PEC'ESuite 1560 PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers Eota planners surveyors 407/422-8062 Park Centre 200 East Robinson Street Orlando,Florida 32801 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 the Center of Good Lk iile DATE: 14-Jan-05 BY: Stephen C.Medeiros,P.E. CHECKED: David W.Hamstra,P.E. Car . SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES ilr TABLE I r FLORIDA LAKEWATCH DATA FOR LAKE BENNET his SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (pg/t) (pg/) (mg/l) 01 9/1) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 2003 �r 03/13/2003 25 553 0.553 1 1 5 1.52 N/A N/A 36 F 05/19/2003 20 587 0.587 6 6 9 2.65 N/A N/A 38 ►r 06/11/2003 21 607 0.607 6 6 8 2.44 N/A N/A 39 07/18/2003 19 550 0.550 6 6 8 2.44 N/A N/A 39 2003 AVG. 21 574 0.574 5 5 7 2.26 N/A N/A 39 l., CUMULATIVE AVERAGE 1992-2003 20 605 0.605 7 7 8 2.44 42 N/A N/A r NOTES lir N/A=NOT APPLICABLE SHADING INDICATES THAT A READING WAS NOT CONTAINED WITHIN THE LAKEWATCH DATA. t ler P lift L Yr !• be t Sir e IN I I to 0 0 I co N I fir -1 0 Y. N T T N • O •• - N • r — • ' W • o z 0 N. z • • • •• a) wm W m. Y rn J •• • _o yCC • • 0 i O • ♦ r la co 0 T v • N. CI f •• •• I ti. Z K r • rn W ti O • • • Q NII • • • • • - im 0 •• Lo V I I ••• $ rn ,, a �' v 0 ♦ • r cc F' �► • • �r • ow • • U) • _ •, • r •• a) •• 0) • • - 2 C7,Am •1• • j CI 1 1 '0-) O OO O O O O O O O O O O O 00 N O u) cY co N r — X3aNI 31V1S OIHdO81 c c c c c c c c c c c c I PECIPROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 ihr PROJECT: Selected Lakes Within the City of Ocoee epcer of G PEC Project No: 0E-180/1.01 tie C Good Lit,. DATE: 14-Jan-05 BY:Stephen C.Medeiros,P.E. {' .E--.- - CHECKED: David W.Hamstra,P.E. SUBJECT:DETERMINATION OF LAKE TROPHIC STATE INDEXES — TABLE J FLORIDA LAKEWATCH DATA FOR LAKE JOHIO SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (pg/I) (pg/1) (mg/I) (pg/1) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1997 5/29/1997 20 1,820 1.820 14 14 6 1.83 48 N/A N/A 110 7/3/1997 21 643 0.643 5 5 5 1.52 45 N/A N/A 8/6/1997 21 597 0.597 26 26 5 1.52 N/A N/A 51 9/16/1997 17 840 0.840 3 3 5 1.52 41 N/A N/A 11/4/1997 20 867 0.867 17 17 4 1.22 53 N/A N/A L 1997 AVG. 20 953 0.953 13 13 5 1.52 49 N/A N/A 1998 E1/7/1998 7 957 0.957 3 3 13 3.96 24 N/A N/A 2/12/1998 6 970 0.970 2 2 18 5.49 18 N/A N/A 3/18/1998 6 1020 1.020 2 2 16 4.88 19 N/A N/A 4/16/1998 6 1020 1.020 2 2 14 4.27 21 N/A N/A L 5/19/1998 7 717 0.717 13 3.96 6/19/1998 6 473 0.473 1 1 12 3.66 19 N/A N/A 8/20/1998 7 493 0.493 2 2 9/16/1998 8 420 0.420 3 3 We 1998 AVG. 7 759 0.759 2 2 14 4.00 22 N/A N/A 1999 t 3/17/1999 6 587 0.587 2 2 19 5.79 18 N/A N/A ilir 4/13/1999 7 633 0.633 2 2 15 4.57 21 N/A N/A 1999 AVG. 7 610 0.610 2 2 17 5.18 20 N/A N/A L2000 No samples were taken during 2000. 2001 IL 8/8/2001 8 403 0.403 2 2 9 2.74 27 N/A N/A 9/5/2001 8 540 0.540 2 2 11 3.35 25 N/A N/A 10/9/2001 8 530 0.530 2 2 10 3.05 26 N/A N/A 11/8/2001 5 513 0.513 2 2 11 3.35 22 N/A N/A 12118/2001 8 577 0.577 2 2 12 3.66 24 N/A N/A 2001 AVG. 7 513 0.513 2 2 11 3.23 25 N/A N/A C C I SIM NW PEC/PROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 kit PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 the tenter of Good LI'i DATE: 14-Jan-05 �, Ed BY:Stephen C.Medeiros,P.E. O CHECKED: David W.Hamstra,P.E. _ SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES ire TABLE J t- FLORIDA LAKEWATCH DATA FOR LAKE JOHIO `. SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT (194) (1194) (m94) (p94) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 2002 1/24/2002 8 617 0.617 1 1 12 3.66 21 N/A N/A L2/13/2002 8 593 0.593 2 2 12 3.66 24 N/A N/A 3/18/2002 7 613 0.613 1 1 12 3.66 20 N/A N/A 4/16/2002 8 477 0.477 2 2 12 3.66 24 N/A N/A 6/13/2002 9 440 0.440 2 2 10 3.05 27 N/A N/A 7/18/2002 8 387 0.387 2 2 12 3.66 24 N/A N/A 8/15/2002 8 467 0.467 3 3 12 3.66 26 N/A N/A El 9/20/2002 7 433 0.433 2 2 12 3.66 23 N/A N/A 11/15/2002 8 520 0.520 1 1 12 3.66 21 N/A N/A 2002 AVG. 8 505 0.505 2 2 12 3.59 25 N/A N/A 2003 3/14/2003 6 1113 1.113 1 1 15 4.42 17 N/A N/A 5/19/2003 5 700 0.700 1 1 17 5.09 14 N/A N/A 6/10/2003 10 773 0.773 2 2 16 4.97 23 N/A N/A 7/18/2003 7 653 0.653 3 3 14 4.27 24 N/A N/A IN 11/4/2003 6 583 0.583 3 3 14 4.36 22 N/A N/A 2003 AVG. 7 764 0.764 2 2 15 4.62 21 N/A N/A CUMULATIVE AVERAGE tom 1997-2003 9 676 0.676 4 4 12 3.66 29 N/A N/A NOTES: 1. N/A=NOT APPLICABLE 2. SHADING INDICATES THAT A READING WAS NOT CONTAINED WITHIN THE LAKEWATCH DATA. Yeak lel Om A Or I I in 0 0 N 00 N in 111 O O _ N T • • 11. • • N T o • O i E06 • O co C14. • rn W ♦ rn X CV • E, Y J co O • • • cc 1 co O II • o u_ ON _ N LI di Cr)Z `r a w II o 6. z J X a W a 1 CI Z - rn N c0 W N L T Cl)1 .:, ,_ • • E. = corn a O L • •cc • • • •I. • co- T in C) II 1 o O C0) 000 ON. coOOin N ,- O N coO T T UmX3aNI 31V1S OIHdOal i c c c c c t c t C C PECIPROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 kirr PROJECT: Selected Lakes Within the City of Ocoee enter of Good PEC Project No: 0E-180/1.0 ,toe G Ltr,;� DATE: 14-Jan-05 BY:Stephen C.Medeiros,P.E. 6 Ei A CHECKED: David W Hamstra,P.Eri j A —SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES ^^Y N L TABLE K FLORIDA LAKEWATCH DATA FOR LAKE STANLEY r' SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT 6u 0/1) (11g4) (mgt) (kg4) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1997 5/29/1997 20 607 0.607 14 14 6 1.83 N/A N/A 46 C 7/3/1997 21 643 0.643 5 5 5 1.52 45 N/A N/A kis 8/6/1997 21 597 0.597 26 26 5 1.52 N/A N/A 51 9/16/1997 17 840 0.840 3 3 5 1.52 41 N/A N/A 11/4/1997 20 867 0.867 17 17 4 1.22 53 N/A N/A i lr 1997 AVG. 20 711 0.711 13 13 5 1.52 49 N/A N/A 1998 1/7/1998 39 1227 1.227 55 55 2 0.61 71 N/A N/A L 2/12/1998 37 1193 1.193 70 70 2 0.61 71 N/A N/A 3/19/1998 38 1153 1.153 41 41 3 0.91 65 N/A N/A 4/16/1998 27 1040 1.040 21 21 3 0.91 59 N/A N/A cia, 5/19/1998 20 890 0.890 17 17 4 1.22 53 N/A N/A 6/19/1998 18 1193 1.193 23 23 3 0.91 56 N/A N/A 8/20/1998 23 1147 1.147 37 37 9/16/1998 28 1343 1.343 43 43 INN 1998 AVG. 29 1148 1.148 38 38 3 0.86 63 N/A N/A 1999 , 3/17/1999 25 1083 1.083 34 34 2 0.61 65 N/A N/A 11. 4/13/1999 25 1390 1.390 51 51 2 0.61 67 N/A N/A 1999 AVG. 25 1237 1.237 43 43 2 0.61 66 N/A N/A 2000 r.. No samples were taken during 2000. 2001 No samples were taken during 2001. m 2002 No samples were taken during 2002. . 2003 Ir. No samples were taken during 2003. CUMULATIVE AVERAGE 1997-1999 25 1014 1.014 30 30 4 1.22 57 N/A N/A NOTES: 1. N/A=NOT APPLICABLE 2. SHADING INDICATES THAT A READING WAS NOT CONTAINED WITHIN THE LAKEWATCH DATA. I 11 rn rn rn T O N Cn • O O O T Cri 11 N co O O T W '- J r Z Q H N co a)W t Q N J N. I cc • In O • O (h Q LL I • O p Mco o W K M °' z Z • N II W O N < Z • p I I co I— < LU • O T Q I— T N T� y a O a) o) OC I ,_ • ,....c.,. JT o P r ti. X3aNI 31V1S 3IHdO1J1 r I C PECIPROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors kSuite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee enter of Good PEC Project No: 0E-180/1.0 .peC L1v DATE: 14-Jan-05 ;ti►r BY:Stephen C.Medeiros,P.E. --- l'0 ,v� CHECKED: David W.Hamstra,P.E. Z1 9-f SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES I TABLE L LFLORIDA LAKEWATCH DATA FOR PRAIRIE LAKE SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTAL P TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT I (k9/1) (//g4) (m94) (P 9/0 (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 1997 5/29/1997 28 660 0.660 15 15 4 1.22 N/A N/A 52 7/3/1997 31 723 0.723 2 2 4 1.22 N/A N/A 44 I 8/6/1997 25 783 0.783 8 8 4 1.22 51 N/A N/A 9/15/1997 24 870 0.870 5 5 5 1.52 47 N/A N/A 11/5/1997 27 910 0.910 19 19 3 0.91 59 N/A N/A fi. 1997 AVG. 27 789 0.789 10 10 4 1.22 N/A N/A 50 1998 1/6/1998 44 1177 1.177 32 32 3 0.91 N/A N/A 62 2/11/1998 38 1013 1.013 55 55 3 0.91 N/A N/A 63 3/18/1998 45 1163 1.163 44 44 9 2.74 N/A N/A 52 4/16/1998 31 787 0.787 9 9 4 1.22 N/A N/A 50 I5/20/1998 25 967 0.967 7 7 4 1.22 50 N/A N/A 6/19/1998 18 623 0.623 8 8 4 1.22 48 N/A N/A 8/20/1998 19 867 0.867 14 14 II9/16/1998 25 923 0.923 22 22 10/26/1998 18 717 0.717 13 13 7 2.03 46 N/A N/A 11/13/1998 20 727 0.727 12 12 I 12/10/1998 19 823 0.823 12 12 7 2.03 46 N/A N/A 1998 AVG. 27 890 0.890 21 21 5 1.54 54 N/A N/A 1999 I 3/16/1999 25 703 0.703 9 9 6 1.83 N/A N/A 45 4/13/1999 21 747 0.747 9 9 6 1.83 46 N/A N/A 5/13/1999 25 760 0.760 13 13 4 1.22 53 N/A N/A II 7/28/1999 23 833 0.833 4 1.22 8/3/1999 22 820 0.820 4 1.22 9/28/1999 33 897 0.897 26 26 5 1.52 N/A N/A 54 I 11/9/1999 28 783 0.783 9 9 3 0.91 N/A N/A 53 12/8/1999 26 723 0.723 7 7 5 1.52 N/A N/A 46 1999 AVG. 25 783 0.783 12 12 5 1.41 51 N/A N/A L E f I I PECIPROFESSIONAL ENGINEERING CONSULTANTS, INC. engineers planners surveyors Suite 1560 Eola Park Centre 200 East Robinson Street Orlando,Florida 32801 407/422-8062 PROJECT: Selected Lakes Within the City of Ocoee PEC Project No: 0E-180/1.0 Abe center Good L4, I DATE: 14-Jan-05 BY:Stephen C.Medeiros,P.E. �C-rq CHECKED: David W.Hamstra,P.E. Y-.I SUBJECT: DETERMINATION OF LAKE TROPHIC STATE INDEXES TABLE L IFLORIDA LAKEWATCH DATA FOR PRAIRIE LAKE SAMPLE AVERAGE AVERAGE AVERAGE AVERAGE TROPHIC STATE INDEX CATEGORIES DATE TOTALP TOTAL N CHLOROPHYLL a SECCHI DEPTH PHOSPHORUS NITROGEN NUTRIENT I (pg4) (pg4) (mg/I) (pg/I) (mg/m3) (feet) (meters) LIMITED LIMITED BALANCED 2000 1/11/2000 22 703 0.703 7 7 7 2.13 44 N/A N/A 111 2/21/2000 23 730 0.730 5 5 8 2.44 41 N/A N/A 3/8/2000 26 723 0.723 7 7 6 1.83 N/A N/A 44 4/25/2000 27 767 0.767 11 11 4 1.22 N/A N/A 51 I! 5/15/2000 26 913 0.913 14 14 4 1.22 54 N/A N/A 6/26/2000 30 1090 1.090 22 22 5 1.52 55 N/A N/A 9/12/2000 32 877 0.877 16 16 4 1.22 N/A N/A 54 I 2000 AVG. 27 829 0.829 12 12 5 1.65 51 N/A N/A 2001 1/25/2001 87 1647 1.647 22 22 2 0.61 N/A N/A 67 3/13/2001 74 1490 1.490 26 26 2 0.61 N/A N/A 67 4/12/2001 80 1650 1.650 47 47 2 0.61 N/A N/A 71 5/10/2001 71 1425 1.425 16 16 2 0.61 N/A N/A 65 6/5/2001 69 1420 1.420 33 33 1 0.30 N/A N/A 75 7/11/2001 114 2343 2.343 29 29 2 0.61 N/A N/A 70 8/8/2001 111 2847 2.847 33 33 2 0.61 N/A N/A 72 9/5/2001 169 3770 3.770 37 37 1 0.30 N/A N/A 81 L10/10/2001 57 1537 1.537 17 17 1 0.30 N/A N/A 71 11/9/2001 65 1443 1.443 21 21 2 0.61 N/A N/A 66 2001 AVG. 90 1957 1.957 28 28 2 0.52 N/A N/A 71 I2002 No samples were taken during 2002. 2003 1 No samples were taken during 2003. CUMULATIVE AVERAGE 1997-2001 42 1107 1.107 18 18 4 1.22 N/A N/A 56 NOTES: 1. N/A=NOT APPLICABLE 2. SHADING INDICATES THAT A READING WAS NOT CONTAINED WITHIN THE LAKEWATCH DATA. I IICV O O N I N Z O N ♦ T ♦ ♦ Q ♦ N • I N.O d' C II O o rn p L W x M ® c7 t0 - zco _ F- CV O X T °° 2 0 N • Q IL LU O O • U) Z I I ® rn WT A Q • N cn co U C) rn L . . _ , a ,, O N. CC OP I- • lir o rn ♦ - ,- . er ♦ C) • ,_1 C) E • W r a) T O O O O O O O O O O O N O rn CO r co in NY c7 N T T iso (IS1)X3aNI 31V1S OIHdOal I -----.------......, - FIGURE 1 ZONE OF POOR j WATER QUALITY I . - - . (I OF - - fu- ::J 5i -0-< 80 90 100 ~I\:) <1>::-< -1>.1\:) ~g 0>0, . A VERAGE LAKE TROPHIC STA TE INDEX City of Ocoee, Florida ~OF FAIR ZONE OF GOOD WATER QUALITY WATER aUAUTY - - - - - - JL 'HI c ""T ""T - . . I I . . I I . . .. II .. I I ~ . . I ..1 I . . _43 .. .. .42 I I . . .. .. ; 1 _ ~ . ~ ~ ~ ro TROPHIC STATE INDEX (T.s.l.) 10 1) rT1 () '- 1) a q;- LAKE PRIMA VISTA '" '" c' STARKE LAKE ::J III - SOUTH LAKE LOTTA ~ <Q LAKE STANLEY S. <1> CD NORTH LAKE LOTTA ::;, ::J' <Q () PRAIRIE LAKE 0 ::J PEACH LAKE '" c:: Sf LAKE BENNET ::J ,Cii LAKE OL YMPIA S- " LAKE MOXIE LAKE JOHIO SPRING LAKE 0 ■ ■ ■ u 1 = co = _ �''"1' � 0 N afi� ► ' 0 y 0 �, = 00.0 _ m L!7 r ° flu 0 co,..,..4„ i 0 it 0 v 3 v 0 0 E IT2 ..'7,� CD E C = vo ■w CD oii = LI . 1 ■ ■+ cn CU = , 'CS LUCIL milTSCO = _ am. Cl) o wil-. Csa *a o ': i O o- 1 • E , C., LU 116 am C. *a o mot *so C: coo i 1 ' I ° iti ,''' g ti, .' , .s. ._ CO) i ,1,, 4 . Nina 1 1 i ' t - • II i I , E 1 = .• , ., , •• . i a) i 1 ' 1 i - • 4 ,• ) k 1 fromo 0 vow CA le , ,---- :'-'-- . ), 0 i CO) 1 1 im , 0 41 - •i . .., . , CD — )s • O =C21 QM II'Milk is, k 013 ' M% I. '0 fAI , 1:' '1 ''1' • t• , Ht , = ' CC _lalIN E • -ici. E . ,. , , ii 1 ( i, .4\i'• . - . ' 9 , 443 = ' ' 12 a.) wo ii-- , . = ........, ci)- 1 0.. -ca . co), lim ol=g Co) CD siummi 0 am al) 0) II— -- CU = • al) CT! '.......„,..... ) -., kt: : •= CZ ' II (' ' I \i, , CU r. . *. 11 14M11 , (, ) . . 41" CT3 NMI i i CU COP) lik 4 I ellE) I IIIMIN II MEM t E •— Cvs a.. PIE C2 ' 62 E = c) ci.. • 111 CC = 0 am 1:1 CO = 0 •NNE CA 4E0 I ii 0 am Cil) CL ------ ------- -- ' 0 GO - : = milmo a CC . E a) r) CD ,1 ' cin ..... 4_ ii. CC CD idla I- CU C,13 IIMIIIIII all I ‘ I ' ) E I AM CZ 4 me I •0 CI) : 14.0 ..... . .. - • .„ limm, . i C.) CL E 1 ) AA i•C A A A A _ . . lit - ) '_, i . A, = i! 1 ' . , I - - , -- - 2 ._. _, , , i —„, 0 0.,__, , . _ __ , .,ii_ii._:_ .; C4 _ . __, . .,_. _,, - ::- ._ : , — - s 1 X .IMO� > , O = CO 1ICZ i6M , CI >, ! oime V , 4•0 � � �' I , � CD Iali , . (13y i LPool ) ■� C4 11 - r CD E. , .CI t _ ..._: tuO 0 �.. = � `; fY. O a 0 .= au = o , CZ .NM O J� 0 cuO I' i'c,,, pi= ,_,,, _' , cp 04 cn -go, co 7c3 E •— .v,1 i, i , ..... loi ... . 0 C.) 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