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Agenda 10/16/2014 PELICAN BAY SERVICES DIVISION Municipal Services Taxing & Benefit Unit NOTICE OF PUBLIC MEETING OCTOBER 16, 2014 THE LANDSCAPE & WATER MANAGEMENT COMMITTEE OF PELICAN BAY SERVICES DIVISION WILL MEET AT 1 :00 PM ON THURSDAY, OCTOBER 16 AT THE COMMUNITY CENTER AT PELICAN BAY, LOCATED AT 8960 HAMMOCK OAK DRIVE, NAPLES. AGENDA 1 . Roll call 2. Agenda approval 3. Audience comments 4. Update and rating of effectiveness of lake pilot treatments, including tilapia treatment a. Discussion on expanding tilapia treatment b. Proposed peroxide pilot treatment, per DBI Services 5. Updated lakes nutrient and copper levels 6. Testing for nutrients in recycled water 7. Discussion on Oakmont Lake landscaping and pathways 8. Adjournment ANY PERSON WISHING TO SPEAK ON AN AGENDA ITEM WILL RECEIVE UP TO ONE (1) MINUTE PER ITEM TO ADDRESS THE BOARD. THE BOARD WILL SOLICIT PUBLIC COMMENTS ON SUBJECTS NOT ON THIS AGENDA AND ANY PERSON WISHING TO SPEAK WILL RECEIVE UP TO THREE (3) MINUTES. THE BOARD ENCOURAGES YOU TO SUBMIT YOUR COMMENTS IN WRITING IN ADVANCE OF THE MEETING. ANY PERSON WHO DECIDES TO APPEAL A DECISION OF THIS BOARD WILL NEED A RECORD OF THE PROCEEDING PERTAINING THERETO, AND THEREFORE MAY NEED TO ENSURE THAT A VERBATIM RECORD IS MADE, WHICH INCLUDES THE TESTIMONY AND EVIDENCE UPON WHICH THE APPEAL IS TO BE BASED. IF YOU ARE A PERSON WITH A DISABILITY WHO NEEDS AN ACCOMMODATION IN ORDER TO PARTICIPATE IN THIS MEETING YOU ARE ENTITLED TO THE PROVISION OF CERTAIN ASSISTANCE. PLEASE CONTACT THE PELICAN BAY SERVICES DIVISION AT (239) 597-1749 OR VISIT PELICANBAYSERVICESDIVISION.NET. 10/13/2014 3:03:51 PM a' ''. .n7.;".;\ r 99 d 1 u,oa:arelaosse-In na���, , ,na a. 9 Z£9 t'OI L 6f1 !I" L N I 9970'£h91(,£Z):auoyd V o w Z£L£-h0I bE'Id'saldetl •u Dung rand a8uey'.rj b85£ 9'SEZO SmiInsuoj ieluatuuminug v auuP J Otld IN�A2DVNdl� 1N�1�1(1N 1V9 V�V13 ��) 5��v°° 'v��dH 1z �� as ,, 111-11_I_ .„....„, ��� rw� a3 .a a 3,w ..�d. d �°J ■ 3 ti! jr: „ R,f„e 1� „y 4f W s 4. ! 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' ...- PAS235.6 PBF-Nutrient ManagementCAM0235-FLOVVS_BASINS.dwg 7/12/2 3 RANDI JONES TO: Tom Cravens, LWM Committee Chair FROM: Dave Trecker DATE: May 19, 2014 SUBJECT: Lake and Sediment Sampling &Testing At the 5/16/14 Landscape &Water Management Committee meeting, you asked me (1) to nominate 30 lakes where sampling/testing should be continued in FY 2015 and (2) to nominate 10 lakes where sediment should be measured, sampled and tested for copper. Here are my recommendations. (1) Lakes for Continued Sampling &Testing Basin 1 1-4, 1-5, 1-6 Basin 2 2-1, 2-3, 2-5, 2-6 Basin 3 3-1, 3-2, 3-4, 3-5, 3-6, 3-7, 3-8, 3-9 Basin 4 4-1. 4-3,4-6,4-7,4-8, 4-9,4-10,4-11 Basin 5 5-1, 5-2, 5-3, 5-5, 5-8, 5-10 Basin 6 6-2 The bases for these nominations were as follows: • Keep most of lakes in basins that feed swales that empty into areas near Upper and Inner Clam Bay (where copper content is highest) • Keep all lakes that empty directly into swales on east side of berm • Keep all lakes where sediment sampling is proposed • Keep all test lakes • Keep all private lakes where copper levels remain high • Keep lakes near U.S. 41 which might collect Pine Ridge runoff • Keep lake where fish testing is proposed (2) Lakes for Sediment Measurements, Sampling & Testing Basin 1 1-4 Basin 2 2-1, 2-5 Basin 3 3-2, 3-4 Basin 4 4-1, 4-9,4-10 Basin 5 5-3, 5-8 All but 3-4 and 4-9 were sediment tested in August 2013. Nominations were based on testing continuity and proximity of lakes to swale entry points (above). STATUS OF LAKES WATER-QUALITY PROGRAM (5/5/14) Problem In 10/12,the Florida DEP rated Clam Bay "impaired for copper" and gave Pelican Bay five years to come up with a remediation plan. 1.5 of the 5 years have now passed. High copper levels in Clam Bay were the result of discharges from the upland lakes,which were polluted with copper from use of copper sulfate algaecide to eradicate algae. Formation of algae,in turn,was stimulated by fertilizer run-off II. PBSD Approach A. Our approach has been,not just to come with a plan, but to fix the problem. B. Strategy • Community awareness - Reduce fertilizer usage Status: Presentations largely complete • Switch to non-copper algaecide Status: Completed in 8/13 • Pilot trials to determine best treatment for reducing algae buildup Status: Trials in progress • Apply best treatment to all lakes • Deal with residual copper if necessary C. Best Outcome • Nutrient levels fall in lakes • Lake treatments (best of pilots) hold down algae growth • Dissolved copper goes into sediment, and no more copper enters Clam Bay • Copper already in Clam Bay is flushed out to sea Slides 1 —6 Wd OO:Z 3e 1740Z`64 Jagwa4das aa!AJa5 uoleS ANY 110%0Z woo-viin III. Current Status (including 2/14 data) A. Nutrients (dissolved nitrogen and phosphorus) • Nitrite/nitrate and total nitrogen levels are essentially unchanged (Table 1) Continued high fertilizer usage? Irrigation run-off problem? 4.3 mg/L nitrite/nitrate in recycled water vs 0.20 mg/L average in lakes • Phosphorus levels are down(Table 2) Reduced fertilizer usage? Not an irrigation run-off problem? 2.0 mg/L TP in recycled water vs 0.07 mg/L average in lakes B. Status of pilots (qualitative reading,based on reduced algae build- up and amount of algaecide needed) • Best results from use of aeration+ bacteria+ plantings (Table 3) • Correlation with copper,but not with nutrient levels (Table 4) • Treatment mechanisms (Slide 2) C. Copper • Reduced from spring/summer of 2013 in 33 of 44 lakes tested (75%),but still high (60-199 micrograms/L) in 19 of 44 lakes tested (43%) • High levels (61-184 micrograms/L) in 8 of 13 private,lakes tested • No correlation of copper with nutrient levels,upstream vs downstream lakes or pH over 6.8-8.5 'range • Soluble copper and sediment-bound copper may have reached equilibrium (Table 5) D. Conclusions • Misuse of fertilizer and/or over-irrigation may still be a problem. ® Combination of aeration +bacteria+ plantings appears to best reduce algae build-up ® Copper remains high in many lakes,including private lakes where some associations may still be using copper ® Equilibrium between soluble and insoluble or sediment- bound copper has been reached in many lakes,leaving high levels of copper available for washing into Clam Bay IV. Approaches for Reducing Soluble Copper Remaining in Lakes ® Ion-exchange treatment • "Treatment wetlands" in swales along berm ® Sulfate-reducing bacteria V. Next Steps ® Follow-up letters to all associations to reiterate need to use t,,/ fertilizer responsibly and to point out problems of over- irrigation,the letters to contain mail-backs indicating whether fertilizer BMP is being followed and requesting an association contact ("copper captain") —May, 2014 Follow-up letters to associations with private lakes,the Cti , letters containing mail-backs indicating whether copper is � still being used. — May,2014 ® Discussions with county on possible steps to reduce nutrient levels in recycled water ® Consideration of expanded involvement by CH2M Hill. - Twice yearly sediment sampling and testing (10 lakes) $55,900 Technology assessment of three copper-removal procedures . $20,668 - Expanded consulting on all aspects of water-quality program S32,702 (® Comparative cost estimates by Tim Hall for twice-yearly sediment sampling and testing (10 lakes) 4 'I killiMINIIIIIIIIIIIIIIIINIMINEW 4 ■ 4.- 't.,,.."''' ;‘,"`""-,'''..%; .- Es.4M-..- . ...: . ....4 '- 'g , '*.l. ..,,,gy,..7:01r,,, .:" :4,,,i....,,..rc,,,,,„?.. ,, .,.„,:.--,4._,-,5.04.1....Ag...,,--s.. ..t..p,,,,_,Vit..,,,,a.. ...0,„#-7._,.1....,-.,,-- ..,"=-4-14-1.1.11.4 ",'", -Tt.:,- N.• -,,.--,..."-""0,s,.-V.c"--W.Visr4. - `'''4.t- ?7',,-74,0,,,,,•-,s., -,it--,%41:-.4:1 Or'''''"4•";',''''''',Z"..1111,P -rge".0A{AWATAWt-.4tYS4M^:•40344+5-an'Arq37%.41 "Z'''4154,:k i-4;tie, .."11., .;.1;:.5 $, )0.,•. •,.>:$1.1,..Z.'`,,,INOfttf;aq Vat'14.b.f44414Q1P4000;310'03011ii'reaktd•VS'...:Vgy.1.440A,40,4#.42 ar•'-', 'i•••eitnhtir:(0-`40:4141*WArifk.• A-4..'400k41);4-VA 3(.104:11.304440..0.4,40.t.,400144511,01AKI&i:Olitc‘4',010'0'-..V.,:f4A,0141.)frl'io a_W.W.I-444• --.-\-4,VrIp'.41'.3--f;.: 4, plop,„.44g4,-4,,, .-4.%),-,,IV,f.•'-ook,..,• .ma444,:i..3....:wi••,L,oh.o..1,..'4,5:4,:,-"Ati..4i:. ,,':-.' ad,,,ti,,t,,Ati.-:•.--1,''',._...5.,.'...Stedig05.40,40.if.-s0,-.4. --, .:' ,.:-..---,..• '-a-itt--4_,-4.0.'-av=;'-•--'.• ",.,f.g.-.'.,-:,,,z;a-,941-WW-tre'-4•11::1/43‘. :§111.R0--••A -, ,v4.-.:1..ata.4-mtiftt...-4-...... .. ...c- . • -, ..... 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" ' ( 3acteria �b� 4-1 Oakmont) - Plants 2-1 (Ridgewood) (Feb. • 2014),based on visual exa 1nation of algae �' Six-month reading algaecide needed to eradicate build-up and amount of alg . •:; ,4)1,, .\ 0> 'VI '2 6Ceic ' ,..:k-.1/7,,,.____. c • Table 4 NUTRIENTS & COPPER IN PILOT LAKES Nitrite/Nitrate* Total Phosphorus* Coppgr** Best of Pilot Lakes 3-4 0.75 0.19 114 2116 Best of Pilot Lakes 3-8 0.84 0.09 134 3-9 0.48 0.29 199 Somewhat Better Than General Lakes 3-3 0.002 0.12 68 5-3 0.002 0.02 33 No Better Than General Lakes 3-2 0.02 0.09 31 1-4 0.14 0.02 25 4-1 0.44 0.10 16 2-1 0.002 0.03 552*** * mg/L (2/14) **/1L gIL (2/14) *** Likely outlier , . Table 5 COPPER LEVELS Copperpg/L) Basin 3/13 8/13 11/13 2/14 1 76 20 2 294 57 46 134 3 163 31 4 408 73 Q 5 102 157 6_1) ( )/----- ) 6 4.6 3.0 el 67) Between 11/13 and 2/14,measurable copper ... - Declined noticeably in 10 lakes - Remained about the same in 24 lakes - Increased noticeably in 10 lakes •F g . 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If a street address is displayed,the location of the red marker may differ significantly from the. location the sender intended to transmit to you. In that.case,or if no map marker appears,try cutting and pasting or typing the approxmate tat/lona into Google Maps directly.Created by Ehf Wizard iOS App. T:r' s - » r. �a�,' . "pey. ,{- '`:ra:. $+a. 'rc C. ...s„.4^�'''' . Y.c r,. .Y. . . ' 'is* - a .max » r .„, r=ire Sent from my iPhone C✓ r ! • Under Florida Law,a-mail addresses are public records If you do not want your a-mail address released in respon1•R‘i ct. (.°' • se to a public records reyu(5 — 1–) est,do not send • electronic mail to this entity.Instead,contact this offce by telephone or in writing. • 2 x.rx ` r '� x *.{1 s` `� tck i .5i"E"S� i ".''> 4 *-,as ,aw a a� x,a.."�.r n•' `.- a ,bw,,t'lr;, rnM�,f§" 4.'';',.' , '' --. 41 .. . : 4,,-,,,to ,%. -,,a,,, 3*aT " p's $ } gy+j[ . • � 4i v * [ • :4F 9•t �•` ir ;fm&t+ --,..!,:„,,,,,...5„,'-- . . ,,,-4 # n4n -. ry' a � am . �_rte... 4 ` '� y � of'',2-,.... :_ 3SWM ^^ .-.. � e > Jy+x ' •+ 4 SIt . t ,t 6T r I , {,Man l (,,( � "' it') Sent from my iPhone rr �1 t..- nr— Under Florida Law,.a-mail addresses are public records.IF you do not want your a-mail a idre s released in response to a public records request,do not send electronic mail to ths entity.Instead,contact this office by telephone or in writing. 3 TECHNICAL MEMORANDUM CH2MHILL® Pelican Bay Stormwater Lakes Water Quality Monitoring Program: August 2014 Data Review PREPARED FOR: Pelican Bay Services Division PREPARED BY: CH2M HILL DATE: September 14, 2014 PROJECT NUMBER: 481878.03.31.04 Introduction Pelican Bay, a 2,300-acre community in Naples, Florida, is adjacent to a 570-acre mangrove preserve area known as Clam Bay.A stormwater management system that consists of 63 stormwater lakes and associated conveyance connections is an integral part of the development, and is designed to attenuate runoff generated by the development.The Pelican Bay Stormwater Lakes are distributed among six drainage basins which ultimately deliver stormwater runoff to the west to Clam Bay(Figure 1).The Pelican Bay Services Division (PBSD) is conducting quarterly surface water quality monitoring of 45 of the 63 stormwater lakes. This technical memorandum summarizes the stormwater lake water quality data collected for PBSD by CH2M HILL during the August 2014 monitoring event, and compares these data to historical water quality data gathered since November 2011. Appendix A presents the water quality results for all of the parameters analyzed in August 2014.Appendix B provides the August 2014 laboratory reports.Appendix C contains the field measurements for this sampling event. Summary of August 2014 Water Quality Data On August 19 and 20, 2014, CH2M HILL conducted sampling of the 45 monitoring stations shown in Figure 1. Surface water grab samples were collected and submitted to Spectrum Analytical, Inc. laboratory for analysis of the following parameters: • Nitrate-Nitrite • Ammonia • Total Kjeldahl Nitrogen (TKN) • Ortho Phosphate • Total Phosphorus (TP) • Total Suspended Solids(TSS) • Hardness • Arsenic • Copper • Zinc After collection of the surface water quality grab samples,field measures for the following parameters were recorded along with general observations regarding conditions during the sampling efforts: • Temperature • Conductivity • Dissolved Oxygen (DO) • pH PBSD_TASK 2A-TECHMEMO_MAY2014.DOC 1 FIGURE 1 Locations of Pelican Bay Stormwater Lake Basins and Monitoring Stations in Relation to Clam Bay Pelican Bay Stormwater Lakes Water Quality Monitoring Program:August 2014 Data Review ,ts,,,1 s N. %*" , ~'+*" i.,.R' d `fie /I t BASIN 6 ,' . .. ` i .ez. ?. `..),4:,..1.' 3 yn.x vx o: , so fsm, ,:, , 'YRS civ:,v. ! Yi �+' ' 41�. .4i,,-: ` 1" d^ . _BASIN 5 �' a oy-_, " s. " , ,ierl , . „.„ . ,....,.... .,,, ,.„,..,,,,,,,,, c„."..ok. '',: -• - V.' ' t,i. 1,11 ). ti ,, a S -- -; tam r ,' 11 C UPPER - ': ° ,Vs BASIN 4 �‘ III &� a1�' :&z‘ ltd a+ Y #�1 a w t eAw a i" z zt +�1ir, , .sem e.• b' ,kt,fir. GULF OF ,I\11 " tkVIV0f0,,,—NP.,-:..2i_ua,.i.1l(.0pli,". ;,r . - . 3- ...,.•'w-- ' . ,> MEXICO '" * la- . .i°, , INNER , '^' CLAM + .. BASIN 3 ; .: .. i. I I'y� t ',".,*, imay . j . ,, +*.-<• .• ', K • $„( r: :PO 4i s 4n1 CLAM • , % I � v1 PASS .„°;:k * ; 1 ,c_-' 1 A. ? ' ,„,%.,..Y r a. iters IR '3 "y l.. tip` ' 4 1;•&:Y: .''..11., BASIN 1 " '; ° ° Ptr ya• m. r,'"!,"-;'f Y • •!: . t., .. ,i. .1 Ia. . . tr,i;iii;::-.,,ir tt,i . ..... ..,,,,,4,-,4-: I...t.; • *),..4fModlped from Turrell.Halt and Associates Etthlbitt 2 PBSD_TASK 2A-TECHMEMO_AUGUST2014.DOC PELICAN BAY STORMWATER LAKES WATER QUALITY MONITORING PROGRAM.AUGUST 2014 DATA REVIEW Because water quality concerns regarding the potential influence of stormwater discharges from these lakes to Clam Bay revolve mostly around nitrogen, phosphorus, and copper,?valuations presented herein were focused on these parameters. Nitrogen Concentrations Nitrogen monitoring in the Pelican Bay stormwater lakes consists of analyses of several forms of nitrogen including nitrate-nitrite, ammonia, and TKN. Because TKN represents the sum of ammonia plus organic nitrogen (ON),the concentration of ON can be calculated by subtracting the concentration of ammonia from TKN.Total nitrogen (TN) is defined as the sum of nitrate-nitrite, ammonia, and ON. Mean concentrations for each drainage basin was calculated for each nitrogen species, based on the August 2014 data collected. Figure 2 presents the average TN concentration for each basin and the relative contributions of each form of nitrogen to the basin mean. Average TN in August 2014 in all basins ranged from 1.78 to 2.81 mg/L. Basin 2 had the highest TN average (2.81 mg/L),while Basin 1 had the lowest average (1.78 mg/L). Figure 2 shows that on average, approximately 87 percent of the total nitrogen is in the form of ON.The remainder of the nitrogen is on average 11 percent nitrate-nitrogen and 1 percent ammonia. In aquatic systems,such as the stormwater lakes at Pelican Bay, ON typically comprises a significant fraction of the mass of wetland plants, algae, and soils.This mass contributes to the background concentration of TN,which is typically in the form of ON and is due to decay processes in the system as well as algae uptake of inorganic nitrogen from the water column.Typical background concentrations in stormwater systems range from 0.6 mg/L to 1 mg/L depending on the nitrogen loading. During the August 2014 sampling event, TN levels in nearly all of the stormwater lakes monitored were above this typical range which suggests that nitrogen loading to these lakes is likely higher than for typical stormwater ponds. FIGURE 2 Average Total Nitrogen Concentrations by Basin in August 2014 Pelican Bay Storm water Lakes Water Quality Monitoring Program:August 2014 Data Review 3 J m 2.5 E C 0 C Q7 c 1.5 v 0 1 L 1.73 a 0.5 0 r Basin 1 Basin 2 Basin 3 Basin 4 Basin 5 Basin 6 ON Ammonia IV Nitrate-Nitrite To assess the variability of the nitrogen values at the different sampling locations within each basin, box and whisker plots(a.k.a. box plots)were developed for TN. Box plots are a graphical method for summarization of data variability. For a data set representing all of the TN values for a given basin,the median value is PBSD_TASK 2A-TECHMEMO_MAY2014.DOC 3 identified along with various measures of how variable the data within the basin are (maximum and minimum values as well as the 75th and 25th percentile values). If extreme outlier values are present,they generally are excluded from these evaL,uations of variability, but are shown graphically as indicated in Figure 3. Generally,the key comparison when comparing data sets using box plots is of the median values. Data sets (in this case, basins)where the vaflability bars from the 25th to the 75th percentile values overlap are typically not considered significantly different from each other. Figure 4 compares the six Pelican Bay Stormwater Lakes basins based on the August 2014 TN data. Basin 4 had the greatest level of variability, but Basin 3 had the highest measured sample at 4.28 mg/L TN,which was considered an outlier. Basin 6 showed the least amount of variability; however it only contains two sample points. Basin 2 had the highest median value for TN this quarter, and based on the relative variability reflected in the box plots, it was generally higher in TN concentrations compared to the other basins. In terms of relative contribution of TN loadings to Clam Bay from the Pelican Bay Stormwater Lakes system, all basins appeared to have comparably high potential contributions based on the nitrogen concentration data. Flow records are needed to address actual pollutant loading comparisons. FIGURE 3 Explanation of the Features of a Box and Whisker Plot Pelican Bay Stormwater Lakes Water Quality Monitoring Program:August 2014 Data Review X -II---Outlier +4---MAXIMUM O Q3(75th Percentile) .4—MEDIAN 76 E E a d . —Q7 (251h Percentile) f—MINIMUM Sampling Location PBSD_TASK 2A-TECHMEMO_AUGUST2014.DOC 4 PELICAN BAY STORMWATER LAKES WATER QUALITY MONITORING PROGRAM AUGUST 2014 DATA REVIEW FIGURE 4 Variability of TN Results per Basin for August 2014 Results Pelican Bay Stormwater Lakes Water Quality Monitoring Program:August 2014 Data Review 4.5 - x Max Outlier x Min Outlier 4.0 - 3.5 - 3.0 - a) cu 0 2.0 - a 1.5 - 1 1 1.0 - 0.5 - 0.0 I m I I Basin 1 Basin 2 Basin 3 Basin 4 Basin 5 Basin 6 Phosphorus Concentrations Phosphorus monitoring in the Pelican Bay Stormwater Lakes consists of analysis of two forms of phosphorus, orthophosphate and total phosphorus (TP). Orthophosphate represents the inorganic form of phosphorus. Organic phosphorus is calculated as the difference between the TP and orthophosphate concentrations. Mean concentrations for each drainage basin was calculated for each phosphorus species, based on the August 2014 data collected. Figure 5 compares the average TP concentration for each basin and the relative contributions of each form of phosphorus to the basin mean.The phosphorus data has been qualified by the laboratory as having exceeded holding times due to a required re-analysis of the samples collected in August 2014.Total phophorus results were lower than orthophosphate during the initial analysis and were required to be re-analyzed to correct the data. After the samples were re-run,this quarter's results are comparable to previous quarters and are considered acceptable. Average TP in August 2014 in each basin ranged from approximately 0.07 to 0.24 mg/L. Basin 3 had the highest TP average(approximately 0.24 mg/L). Basins 1 had the lowest average (approximately 0.07 mg/L). Basins 2,4, 5 and 6 contained comparable TP concentrations ranging from 0.10 to 0.12 mg/L. Figure 5 shows that orthophosphate was the largest component of TP in each basin,with the largest amount of orthophosphate in Basin 2 at 0.167 mg/L, or 70 percent of the TP concentration. Basin 3 also had the largest quantity of organic phosphorous, calculated to be 0.07 mg/L. While the remainder of the basins had TP levels of less than half than that observed in Basin 3, orthophosphate in Basins 1 and 2 made up approximately 73 percent of the TP, 82 percent of the TP in Basin 4,and over 90 percent of the TP in Basins 5 and 6. Lakes that have higher ratios of orthophosphate to organic phosphate can be considered to potentially reflect a more direct influence from landscape fertilizer application practices. Higher concentrations of orthophosphate are more conducive to producing algal blooms. To assess the variability of the TP values at the different sampling locations within each basin, box plots were developed for TP. Figure 6 compares the six Pelican Bay Stormwater Lakes basins based on the August PBSD TASK 2A-TECHMEMO MAY2014.DOC 5 2014 TP data. Basin 3 had the greatest range of variability,with samples ranging from 0.115 to 0.46 mg/L. ............. Basin 5 had the highest measured sample at 0.583 mg/L, however this was considered an outlier. Basins 1 and 5 had similar ranges of low variability, each with maximum outliers at 0.125 mg/L and 0.583 mg/L respectively. Basins 2 and 4 had similar ranges of variability, Basin 4 had a maximum outlier of 0.290 mg/L. Basin 6 had the least amount of variability. FIGURE 5 Average Total Phosphorus Concentrations by Basin in August 2014 Pelican Bay Storm water Lakes Water Quality Monitoring Program:August 2014 Data Review 0.250 J 0.200 as E H 0.150 i O a. c 0.100 - t 0.050 0.000 Basin 1 Basin 2 Basin 3 Basin 4 Basin 5 Basin 6 ®Organic Phosphorus ■Orthophosphate FIGURE 6 Variability of TP Results per Basin for August 2014 Pelican Bay Storm water Lakes Water Quality Monitoring Program:August 2014 Data Review 1.00 - 0.90 - 0.80 0.70 - a) ! 0.60 - U) o 0.50 - N 0.40 - 0.30 - 0.20 - T I 0.10 - y 1 1 o.00 Basin 1 Basin 2 Basin 3 Basin 4 Basin 5 Basin 6 PBSD TASK 2A-TECHMEMO AUGUST2014.DOC 6 PELICAN BAY STORMWATER LAKES WATER QUALITY MONITORING PROGRAM:AUGUST 2014 DATA REVIEW Copper Concentrations Copper monitoring in the Pelican Bay Stormwater Lakes consists of analysis of the samples for total recoverable copper. Figure 7 presents the average copper concentrations for each basin.Average copper in August 2014 for all the basins ranged between 2.7 and 48.0µg/L which is a slight decrease from the previous quarter results of samples collected in May 2014. Basin 4 had the highest copper average (48.0 µg/L), while Basin 6 had the lowest average (2.7 µg/L). FIGURE 7 Average Copper Concentrations by Basin in August 2014 Pelican Bay Storm water Lakes Water Quality Monitoring Program:August 2014 Data Review 60 50 ac a 40 CIJ .71 30 ra ar aoe, 20 7a 10 0 I I I ® I Basin 1 Basin 2 Basin 3 Basin 4 Basin 5 Basin 6 To assess the variability of the copper values at the different sampling locations within each basin, box plots were developed for total recoverable copper. Figure 8 compares the August 2014 copper data for the six Pelican Bay Stormwater Lakes basins. Basin 4 showed the greatest level of variability with samples that ranged between 5.2 and 126 µg/L. Basins 1 and 5 both showed low relative variability. Basin 3 had the highest median copper value (33.7 µg/L)this quarter. The surface water quality standard for copper in the State of Florida's Class Ill freshwater lakes is a calculated value and varies based on water hardness.This standard is not directly applicable to the Pelican Bay Stormwater Lakes since they are man-made lakes designed to accomplish stormwater treatment and runoff management. However,the calculated values are of interest in that they provide a useful set of reference values for comparison with the monitoring results. Hardness for the August 2014 monitoring in the Pelican Bay stormwater lakes ranged up to 247 mg/L CaCO3. Applying this value to the calculation formula provided in Chapter 62-302, Florida Administrative Code yielded a copper reference value of 20.2 µg/L.Water quality within 18 of the 45 stormwater lakes at Pelican Bay in August 2014 reflected concentrations which were above this average reference value for copper during this survey. Figure 9 presents an alternative summary of the August 2014 sampling results,distributing basin sites by copper concentration ranges.Twenty nine of the 44 stations had copper concentrations of 25 µg/L or less, approximately 66 percent of the sample sites.Approximately 25 percent of the Basin sample sites were measured in the range of 26 to 75 µg/L, and 9 percent of the sample sites were measured at 75 µg/L or greater. PBSD_TASK 2A-TECHMEMO_MAY2014.DOC 7 FIGURE 8 Variability of Copper Results by Basin in August 2014 Pelican Bay Storm water Lakes Water Quality Monitoring Program:August 2014 Data Review 200 - x Max Outlier x Min Outlier 180 - a1 160 - m 140 - Q. o 120 - U x r3 100 - > 80 - o re 60 - To 40 - T 20 - 1 iTi 1 1 1 I 0 Basin 1 Basin 2 Basin 3 Basin 4 Basin 5 Basin 6 FIGURE 9 Distribution of Basins by Copper Results in August 2014 Pelican Bay Storm water Lakes Water Quality Monitoring Program:August 2014 Data Review Basin Basin Avg. Stations with Copper Concentrations,in µg/L (µg/L) <12 13-25 26-50 51-75 76-100 100-150 >150 1-1 1-3 1-6 1 15.8 1-2 1-4 1-5 2-2 2-5 2-1 2 22.0 2-3 2-4 2-6 3-7 3-2 3-4 3-1 3-9 3-3 3-5 3 42.3 3-6 3-8 4-1 4-3 4-11 4-4 4-2 4-6 4-5 4-8 4 48.0 4-7 4-10 4-9 5-1 5-3 5-2 5 14.4 5-4 5-5 PBSD_TASK 2A-TECHMEMO_AUGUST2014.DOC 8 PELICAN BAY STORMWATER LAKES WATER QUALITY MONITORING PROGRAM:AUGUST 2014 DATA REVIEW Basin Basin Avg. Stations with Copper Concentrations,inµg/L (µg/L) <12 13-25 26-50 51-75 76-100 100-150 >150 5-7 5-6 5-8 5-10 5-9 6-1 6 2.7 6-1 Comparison of August 2014 and Historical Monitoring Data The historical monitoring data from November 2011 through August 2014 were compiled and analyzed to generate basin-level means for all parameters monitored over the period of record.The means for each basin in each quarter were used to generate time series plots for TN,TP,and total recoverable copper to compare the basins for the entire period of record.These time series plots served as the means for comparing the August 2014 data with the historical records since November 2011. Historical rainfall data was obtained through South Florida Water Management District's DBHYDRO database.The site that best approximates the location of the Pelican Bay area is BCBNAPLE,database key LX271,with Latitude 26°13'31.3"N and Longitude 81°48'29.3"W which is located near the PBSD maintenance facilities (Gulf Park Drive and Watergate Way).The rain gauge is managed by the Big Cypress Basin Service Center.The rainfall records from November 1,2011 to August 31, 2014 were collected for comparison with the collected water quality parameters. Figure 10 presents a time series plot depicting the basin mean TN concentrations for the period of record. Previously there was a general downward trend observed in TN during the period of record from November 2011 to August 2013. In November 2013,the mean TN values for all of the basins deviated from the prior pattern and were higher than has been observed in recent quarters. In August 2014,the TN values increased over their previous quarter,continuing their overall increasing trend, likely a result from the large rainstorm prior to the sampling event. Basins 1 and 4 had a small decrease, maintaining their overall TN values previously. Basin 1 has maintained approximately the same TN value since November 2013. Increases of 0.5 to 1 mg/L in TN were observed in Basins 2,3,5,and 6. Changes in TN concentration over time and season are dynamic. The levels of nitrogen that are observed in each basin are not only a function of season and rainfall, but also of fertilization practices and schedules. In addition the discontinuation of algaecide used for algae control also can have a great deal of influence on the nitrogen cycle by changing the effect of the primary producers on the different nitrogen species. In general,the variability of TN levels in each basin followed similar trends that could be attributed to seasonality and rainfall, however,since August 2013 the trends for each basin have become less predictable with some basins increasing and other decreasing. These erratic changes in each basin are likely a function of changing maintenance practices at Pelican Bay. PBSD_TASK 2A-TECHMEMO_MAY2014.DOC 9 FIGURE 10 Basin Average Total Nitrogen Time Series for Period of Record Pelican Bay Storm water Lakes Water Quality Monitoring Program:August 2014 Data Review 5.0 8 4.5 7 4.0 6 3.5 3.0 I* 5 To 0 2.5 -� � Rte, 4 •• .. 2.0 *, ,� ,� 3 a rir, 76 Fo 1.0 N. q I 0.5 I Ill `I 1 �� I .,i 1 l I II I IVR ,1 i�. Ill 11,I Ili... 0.00 titi ti� ti� ti� 1 ,1/ :13' ti� 1, )) tib ti� 44 ti� Cod' 4\ V. °J ‘< 4\ N?" C\ << a� P'� llillli.Rainfall -40--1 -8-2 --v--3 -0-4 --kali—5 -\,..)-- 6 Figure 11 presents a time series depicting the basin mean TP concentrations for the period of record, from which outliers have been removed for Basins 4, 5,and 6. Historical outliers removed from this figure included Station 4-10:August 2012 (6.53 mg/L),Station 6-1: November 2012 (1.58 mg/L), March 2013 (0.83 mg/L), and May 2014(0.81 mg/L),Stations 5-1 and 5-3: November 2013 (2.03 and 2.44 mg/L, respectively). Basins 2,3, and 4 show a decreasing trend over time. Basin 3 continues to have the highest TP concentration compared to other basins, it also shows the greatest improvement over time. All basins show a general decreasing trend since November 2011. However,some increases have been observed since February 2014. FIGURE 11 Basin Average Total Phosphorus Time Series for Period of Record Pelican Bay Storm water Lakes Water Quality Monitoring Program:August 2014 Data Review 0.45 8 0.40 -----V, ( 7 J 0.35 ' 6 g 0.3 0 \ c \4 ./- . 5 B 0 0.25 "- 2 \ 4 .° x0.20 ► ' =Fs 3 c 0.15 - 4. N' .0 • 2 0 J+ 0.10 �O`" INV 41,11 ». s.�/'' 0 0.05 i I , ;$F . 1 ~ 0.00 i:' lI, I i 1 i�� W 1 ! 0 N op ° e� as �% °� P a) �Q° ° 6' 'ae 0) ' ' mRainfall -+-1 2 x- ---3P-u- --kJ--5 - 6 P PBSD_TASK 2A-TECHMEMO_AUGUST2014.DOC 10 PELICAN BAY STORMWATER LAKES WATER QUALITY MONITORING PROGRAM AUGUST 2014 DATA REVIEW Figure 12 presents a time series depicting the basin mean copper concentrations for the period of record. A decreasing trend is observed in copper during the period of record from November 2011 through August 2014, with the greatest decreased observed in August 2013 after the use of copper-based algaecides was discontinued. Basins 2 and 4 have had higher levels of copper when compared to the other basins in most quarters through March 2013. An extreme outlier value was noted in the May 2013 data for Station 4-8 (12,060 p.g/L); exclusion of that value from the database would result in a Basin 4 average for May 2013 of approximately 336 pg/L–a value much more in line with the other data trend lines for that quarter. The outliers for Basin 2 and 4 have been removed from the figure to better reflect the majority of the collected data. A substantive decrease in copper concentrations was reflected by many of the water quality data values generated since May 2013 monitoring by PBSD likely due to the discontinued use of copper sulfate for algal control. Copper levels documented since August 2013 are greatly reduced when compared to the historical data. Since August 2013 a continued copper levels show a neutral trend through August 2014 Copper concentrations appear to decrease during the wet season which may be attributed to increased rainfall driven dilution within the ponds. Levels increased during dry periods when the pond stages are expected to be lower and evaporative losses result in increased concentrations of copper, however seasonal observations after the discontinued use of copper are not yet clear and a longer period of record is needed to assess the effect of seasonality. FIGURE 12 Basin Average Total Recoverable Copper Time Series for Period of Record Pelican Bay Storm water Lakes Water Quality Monitoring Program:August 2014 Data Review 500 8 450 4k Discontinued 7 use of CuSO4 in 0.0 400 August 2013 6 a, 350 a 300 5 o �. 250 4 cc 2003 150 y�l-- A. 100 • 50 , N-1�arr.,=•��,�� = " 1 0 I PPP'00111111110.- 0 _. - t ''14.–+ — ,+ t _ w, 40 0 ti`1, ti� ti� tirb ti� e4` .) o'V exp as �� oi as .)% MN Rainfall –tor-1 —0-2 – --3 –e-4 – –5 _ 6 Observations and Recommendations Based on the August 2014 monitoring results for recoverable copper and phosphorus,the historical patterns observed in the six Pelican Bay Stormwater Lakes basins appear to be improving. However,the August 2014 results continue to show increased levels in nitrogen concentrations compared to the data for recent quarters. Basins 2,3 and 4 exhibited the highest mean TN levels. Basin 3 exhibited the highest average TP levels for August 2014 as it has in the past, but shows the greatest improvement of all the basins over the period of record. PBSD TASK 2A-TECHMEMO_MAY2014.DOC 11 The most notable observation this quarter is the continued decrease of total recoverable copper levels for the Pelican Bay Stormwater Lake Basins. Concentrations of copper have decreased significantly since August 2013 due to the discontinued use of copper sulfate for algae control. These concentrations appear to be reaching an equilibrium with sediment bound copper releases and the levels in future quarters are expected to fluctuate seasonally. While some variability is evident, most of the values recorded in August 2014 were lower than the values in May 2014. The only stations which had higher copper concentrations in August compared to the preceding quarter were Stations 1-3,3-5,4-2,4-3,4-4,4-10, and 5-6. The net result was that all of the basin averages for Basins 1 through 5 were lower than those documented in May 2014. To evaluate current trends after the discontinued use of copper sulfate,future monitoring will reveal whether these copper concentrations will continue to decrease over time, or if seasonal effects are driving this trend. Despite the significant reductions in copper concentrations in most of the stormwater lakes and the improvements observed since the discontinuation of copper based algaecides,the copper concentrations continue to be orders of magnitude higher compared to typical water quality criteria. While these criteria are not applicable to the stormwater lakes directly,discharges of these lakes to Clam Bay may be having an effect on the estuarine water quality issues recently identified by the State of Florida. Another year of water quality monitoring will reveal what to expect long-term in terms of copper levels and the contributions to Clam Bay.The implementation of treatment systems in strategic locations within the stormwater lake system could not only address the regulatory concerns in Clam Bay, but would also help address other water quality concerns that lead to aesthetic concerns within the Pelican Bay Community. A study of treatment system alternatives would reveal the most cost effective means for improving water quality. PBSD_TASK 2A-TECHMEMO AUGUST2014.DOC 12 Appendix A Analytical Results of the August 2014 Monitoring of the Pelican Bay Stormwater Lakes J VIOA C) M I", L0 c-I 00 chi LI) M chi O, ci Lf1 o chi chi LI) ,__I V C -1 00 V) LO V/ N N 00 'GI- 00 l0 CO a-I I, N M 0, O�0 Cr; O C1 M M M � a-I M a1 O W C) LD N a--I lD 1 a1 LU a-i Cl c-1 a-1 C) a1 a1 c-I a1 00 C) ci N Q 00 co CO 00 00 00 co 00 00 00 00 00 Q., 00 00 00 00 m a 0\0 ci ci a1 a-I a1 a1 a1 a--1 I-I c-1 c-1 a1 M a1 a-1 a•-1 c-I LO I— 0 0 0 0 0 0 0 0 0 0 0 0 0 O 0 0 0 0 rl ,_ o 0 0 0 0 0 0 0 0 o 0 0 0 0 0 o 0 0 C M CO NI M N 001 c�-I 00 Q) 0) LO lD 0) CF N N O O O O N O 0 O `� O N O O N a-i m Q O O O o O O O O O O O o O o O O O o -1 L!1 ct LI1 lfl a> CI Lf1 L11 Ll) 111 N Lc1 V) •Cr• LD u1 pip 0 O 0 O O O a1 O O O o O O a1 0 N O O O O O O O O O O O O O O O O O O ro 'O • 00 N N N M N Cr' N N N N N N N N N N N E 00 ci O 0 O ci O ci O O O co 0 0 O O O O O E ._..E 0 0 0 0 0 0 0 O o 0 0 0 0 0 0 0 0 0 w a) LD cos m f;,..1 rn rn Ct rn N Ln a 4, \ 00 0 m ^ M m r� N N O N ci a1 Lr,` �. pp 0 a1 m 00 O 00 O cm Up l0 L11 N N M M LO a+ Z 0 0 O O O o O O O O O 0 Z + 0 0 O 0 O o O 0 O O 0 O O O O O O 3 u - d, N co N 4 00 c.n 4 rT Cr• CY N CO N CO N N C 00 4 4 a-i lD C) CY 00 Ct Ln ^ ^ <D ^ ci a1 N 00 > IV C. ci c-i a-I CO a1 N 1-1 L-I c-I CO C1 a-I l0 N H Cu 0) 0Z Y O J y_• O N = c1 l0 a• a1 CO CO ci 01 n I', N Lc LII 4 0. m O O0 00 lD M Cl I-I. 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LD r-1 O N CO LO �O M M M I-1 00 .1 .--1 N " Ol LO ^ lD e-1 .1 LNn .1 d m h. lD 6 N .-1 d' N m m m .'_+ M a--1 O O a1 O O O O `1 O O O O O O Q O O O O O O O O O O O O O O O O O O O O Z CO 0o N d- I..r) - .--i Ln Ln .n N � d L!1 Ln LD L.11 to L() d Y an 0 m 0 O 0 O O O r1 0 c 1 N O O O O O O I- E O O O O O O O O O O O O O O O O O O O O to G N N N N N N N N N N N N N N N N N N N N E m 0 CD 0 0 0 0 0 O 0 0 0 0 0 0 0 0 0 0 0 O E O o O o 0 o O o O o 0 0 0 0 0 o O o 0 0 E ct m N - m in d d' h Ol 00 al N .--1 Ln Ln N Ln M Ln n a1 O \ fb n O LD N 00 V I� LD 0 CO N N m N 03 CO crl 4. 4 O0 O M d- O O O d: m O .1 O r-1 N d. O NJ in co O O Lf1 O 03 N .1 2 Z O O O O O O O O O O O O O O O O O N O O u -1 00 di- Lfl CO LD N d Ln N N M LD N 01 00 c-1 d• CO N•C an Lfl M 6 .--1 Lfl ..-1 N Cr) Cr) O O N O a1 N ^ N al O if) fV z. e-1 .1 .1 .1 al e-1 .-1 Cr N .-1 .-1 .-1 00 n N O1 .1 al N J ,-I d' (N O1 0 Ol Ol .1 .-i O M LD d- in N CO a--I Ln LO Q 0. 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N N N N N N — O bi0 00 lD N Cr CI G E CO a v to o r+ to N cr, m a1 4 00 N- o Ql N lD Ls; ,.• 4 O N lD to 00 a-I CO T a+ 5 u m to c-I lD ID LO mll U o a m r1 0 a to c-I tT CO ID CrI O c-1 a z.C ° u N 8 a E. LU t�l1 Cl VI Cr N 1 E U O CU a-1 a-i a-1 Ni CO CO a-1 in w F M M M M N N m 2 x 0 r W Q n I- 00 Ol a-i N N U m n In L!1 tf1 LD LO F [0 0 (I) m a Appendix B Laboratory Reports of the August 2014 Monitoring of the Pelican Bay Stormwater Lakes Laboratory data is provided under separate cover to reduce the printable file size. Appendix C Field Data of the August 2014 Monitoring of the Pelican Bay Stormwater Lakes BEST SUPPRESSION OF ALGAE TO DATE (1) Lake Treatment 3-5 (2) Aeration + Plantings + Bacteria 3-6 Aeration + Plantings + Bacteria 3-7 Aeration + Plantings + Bacteria 5-1 Tilapia (1) Visual examination (2) High residual copper Observations • Combination of aeration + plantings + bacteria remains the best of the pilot treatments started a year ago • There is no correlation between treatment effectiveness and nutrient levels COPPER LEVELS IN THE LAKES Copper (ug/L) - Basin 3/13 8/13 11/13 2/14 5/14 8/14 1 76 20 48 49 21 16 2 294 57 46 134 52 22 3 163 31 86 96 67 42 4 408 73 58 59 39 48 5 102 157 31 36 35 14 6 4.6 3.0 3.4 2.7 3.5 2.7 Between 11/13 and 8/14, measurable copper has ... • Declined in 34 lakes • Increased in 4 lakes • Remained the same in 5 lakes Copper remaining in lakes is due to ... • Incomplete run-off into Clam Bay ? • Equilibrium with copper in sediment ? • Some continued use of copper ? AVERAGE COPPER LEVELS IN CLAM BAY, qg/L (1), (2) 2011 (6) 2012 (7) 2013 (8) 2014 (9) Outer Clam Bay (3) 1 .5 1 .6 4.0 3.6 Inner Clam Bay (4) 5.8 5.7 9.3 6.4 Upper Clam Bay (5) 9.2 8.9 7.3 6.5 (1) State limit = < 3.7 ug/L (2) Outliers (>40) excluded (3) Station CB6 for 2011/2012, stations W1 + W6 for 2013/2014 (4) Station CB3 for 2011/2012, station W7 for 2013/2014 (5) Station CB1 for 2011/2012, station UCB for 2013/2014 (6) Five monthly readings (7) Two monthly readings (8) Twelve monthly readings (9) Seven monthly readings to date Bad News: There has been no significant reduction in copper levels in Clam Bay since the FDEP measurements in 2011-12. Good News: There is a slight downward trend in Upper Clam Bay over 2011-2014, a slight downward trend in Inner Clam Bay in 2014, and consistently good readings (excluding an outlier) in Outer Clam Bay. This suggests tidal flushing may be starting to have an effect. Observations • Sampling stations were different in 2011/2012 and 2013/2014. • Inclusion or exclusion of outliers and the outlier limit chosen (>20, >40?) greatly affects average readings. How will FDEP handle outliers? PHOSPHORUS LEVELS IN THE LAKES - Total Phosphorus Levels (mg/L) --- -- - Basin 3/13 8/13 11/13 2/14 5/14 8/14 1 0.17 0.07 0.06 0.03 0.06 0.07 2 0.09 0.17 0.10 0.03 0.03 0.10 3 0.33 0.28 0.29 0.18 0.18 0.24 4 0.16 0.18 0.12 0.07 0.06 0.11 5 0.19 0.21 0.65* 0.06 0.05 0.11 6 0.46 0.08 0.26 0.04 0.04 0.12 Average 0.21 -0 0.18 -+ 0.11---v 0.06-4,0.08---- 0.13 Recycled water 1.97 *Outlier, excluded from average Upswing in 8/14, after general downward trend NITROGEN LEVELS IN THE LAKES - Nitrite/Nitrate Levels (mg/L) a3 Basin 3/13 8/31 11/13 2/14 8/14 1 0.33 0.16 0.23 0.21 0.20 2 0.16 0.24 0.12 0.17 0.22 3 0.46 0.19 0.18 0.35 0.18 4 0.33 0.25 0.04 0.11 0.24 5 0.04 0.05 0.07 0.06 0.45 6 0.01 0.03 0.002 0.08 0.28 Average 0.28-r 0.19 0.14 0.18 --•0.27 Recycled water 2.06 Upswing, after general downward trend Total nitrogen levels also increased in 8/14 t.Nutrients (phosphorus + nitrogen) taken together • Little improvement since "awareness program" started • Reasons - Continuing misuse of fertilizer ? - High levels of nutrients in recycled water ? 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LA .-• 10 N W 0 ,_, ,_, .-' .-' O O Do er CoCounty Report#: 0814PBAY [l G+ Vl� ANALYTICAL RESULTS Project: PELICAN BAY COLLIER COUNTY POLLUTION CONTROL LABORATORY 3339 Tamiami trail East Suite 304 • Naples,Florida 34112 • 239-252-2502 • FAX 239-252-2574 Report Date:10/9/2014 Report To: Lisa Resnick Report Time:2:53:47PM Pelican Bay Services 801 Laurel Oak Drive Naples,FL 34108 Collected by: PELICAN BAY SERVICES Collection Date: 08/27/2014 Submittal Date: 08/27/2014 @ 16:05 Data Qualifier Code Key: I: The reported value is between the laboratory method detection limit and the laboratory practical quantitation limit U: The compound was analyzed for but not detected Q: Sample held beyond acceptable holding time J: Estimate value;the reported value failed to meet established criteria for either precision or accuracy V: Analyte detected in both the sample and the associated method blank B: Colony count is generated from plates in which the total number of colonies is outside the method indicated ideal range Analyses performed using EPA or Standard Methods and certified to meet NELAC Standards.Data qualifiers assigned according to F.A.C.62-160. Results contained in this report relate only to the samples collected. Respectfully Submitted, NosbeVPeref Nosbel Perez Laboratory Supervisor Report#0814PBAY FL State Laboratory ID:E45464 EPA Lab Code:FL00919 Page 1 of 6 Report#0814PBAY vocation: N_SEAGATE Field ID: 82714-1 Lab ID: AE61018 Collect Date/Time: 8/27/14 12:30 I Analyte Name Method Result Qualifier Units MDL PQL DF Analysis Date/Time CC-Nitrate-N CC-Nitrate-N 0.009 mg/L 0.002 0.010 1 09/11/2014 09:27 Cale Silicon Dioxide(SiO2) EPA 200.7 2.48 I mg/L 0.428 2.14 4 09/02/2014 15:08 Calcium EPA 200.7(Ca) 385 mg/L 2.88 14.4 4 09/02/2014 11:20 Magnesium EPA 200.7(Mg) 1130 mg/L 0.88 4.40 4 09/02/2014 11:20 Arsenic EPA 200.8(As) 4.00 U ug/L 4.00 20.0 4 09/03/2014 09:08 Cadmium EPA 200.8(Cd) 2.00 U ug/L 2.00 10.0 4 09/03/2014 14:16 Copper EPA 200.8(Cu) 3.00 U ug/L 3.00 15.0 4 09/03/2014 14:16 Lead EPA 200.8(Pb) 3.00 U ug/L 3.00 15.0 4 09/03/2014 14:16 Zinc EPA 200.8(Zn) 4.00 U ug/L 4.00 20.0 4 09/03/2014 14:16 Ammonia EPA 350.1 0.040 I mg/L 0.010 0.050 1 09/09/2014 11:29 Nitrogen-Total Kjeldahl EPA 351.2 0.425 mg/L 0.051 0.255 1 09/05/2014 14:30 Nitrate-Nitrite(N) EPA 353.2 0.011 mg/L 0.002 0.010 1 09/08/2014 11:19 Extraction for Chlorophyll and Pheo SM 10200 H Completed 1 09/08/2014 14:00 Digestion for Metals SM 3030 D Completed 1 08/29/2014 08:49 Digestion for TKN SM 4500 NorgD Completed 1 09/04/2014 08:30 Persulfate Digestion for Total P SM 4500-P B Completed 1 09/09/2014 10:00 Chlorophyll a SM18 10200 H 3.5 mg/m3 1.0 1.0 1 09/09/2014 08:42 Hardness-Calculated SM18 2340 B 5615 mg/L 1 5 1 09/02/2014 15:08 sidues-Filterable(TDS) SM18 2540 C 26960 mg/L 2.0 10 1 09/02/2014 10:45 Nitrite(N) SM18 4500-NO2 B 0.002 I mg/L 0.002 0.01 1 08/29/2014 07:42 Orthophosphate(P) SM18 4500-P E 0.005 I mg/I 0.004 0.02 1 08/29/2014 07:42 Phosphorus-Total SM18 4500-P E(P 0.062 mg/L 0.004 0.02 1 09/10/2014 14:45 Total Organic Carbon SM20 5310B 5.57 mg/L 1.00 5.00 1 09/03/2014 14:39 Location: W-1 Field ID: 82714-2 Lab ID: AE61019 Collect Date/Time: 8/27/14 13:10 Analyte Name Method Result Qualifier Units MDL PQL DF Analysis Date/Time CC-Nitrate-N CC-Nitrate-N 0.011 mg/L 0.002 0.010 1 09/11/2014 09:27 Cale Silicon Dioxide(SiO2) EPA 200.7 2.50 1 mg/L 0.428 2.14 4 09/02/2014 15:13 Calcium EPA 200.7(Ca) 363 mg/L 2.88 14.4 4 09/02/2014 11:20 Magnesium EPA 200.7(Mg) 1100 mg/L 0.88 4.40 4 09/02/2014 11:20 Arsenic EPA 200.8(As) 4.00 U ug/L 4.00 20.0 4 09/03/2014 09:08 Cadmium EPA 200.8(Cd) 2.00 U ug/L 2.00 10.0 4 09/03/2014 14:16 Copper EPA 200.8(Cu) 3.00 U ug/L 3.00 15.0 4 09/03/2014 14:16 Lead EPA200.8(Pb) 3.00 U ug/L 3.00 15.0 4 09/03/2014 14:16 Zinc EPA 200.8(Zn) 8.68 I ug/L 4.00 20.0 4 09/03/2014 14:16 Ammonia EPA 350.1 0.049 I mg/L 0.010 0.050 1 09/09/2014 11:29 Nitrogen-Total Kjeldahl EPA 351.2 0.351 mg/L 0.051 0.255 1 09/05/2014 14:30 Nitrate-Nitrite(N) EPA 353.2 0.014 mg/L 0.002 0.010 1 09/08/2014 11:19 .traction for Chlorophyll and Pheo SM 10200 H Completed 1 09/08/2014 14:00 Digestion for Metals SM 3030 D Completed 1 08/29/2014 08:49 Digestion for TKN SM 4500 NorgD Completed 1 09/04/2014 08:30 FL State Laboratory ID:E45464 EPA Lab Code:FL00919 Page 2 of 6 Report#0814PBAY °Prsulfate Digestion for Total P SM 4500-P B Completed 1 09/09/2014 10:00 dorophyll a SM18 10200 H 5.8 mg/m3 1.0 1.0 1 09/09/2014 08:42 Hardness-Calculated SM18 2340 B 5436 mg/L 1 5 1 09/02/2014 15:13 Residues-Filterable(TDS) SM18 2540 C 26740 mg/L 2.0 10 1 09/02/2014 10:45 Nitrite(N) SM18 4500-NO2 B 0.003 I mg/L 0.002 0.01 1 08/29/2014 07:42 Orthophosphate(P) SM18 4500-P E 0.010 I mg/1 0.004 0.02 1 08/29/2014 07:42 Phosphorus-Total SM18 4500-P E(P 0.056 mg/L 0.004 0.02 1 09/10/2014 14:45 Total Organic Carbon SM20 5310B 6.51 mg/L 1.00 5.00 1 09/03/2014 14:39 Location: GLENVIEW Field ID: 82714-3 Lab ID: AE61020 Collect Date/Time: 8/27/14 13:40 Analyte Name Method Result Qualifier Units MDL PQL DF Analysis Date/Time CC-Nitrate-N CC-Nitrate-N 0.038 mg/L 0.002 0.010 I 09/11/2014 09:27 Cale Silicon Dioxide(SiO2) EPA 200.7 1.78 I mg/L 0.428 2.14 4 09/02/2014 15:16 Calcium EPA200.7(Ca) 51.9 mg/L 2.88 14.4 4 09/02/2014 11:20 Magnesium EPA 200.7(Mg) 5.24 mg/L 0.88 4.40 4 09/02/2014 11:20 Arsenic EPA 200.8(As) 4.00 U ug/L 4.00 20.0 4 09/03/2014 09:08 Cadmium EPA 200.8(Cd) 2.00 U ug/L 2.00 10.0 4 09/03/2014 14:16 Copper EPA 200.8(Cu) 34.9 ug/L 3.00 15.0 4 09/03/2014 14:16 Lead EPA 200.8(Pb) 3.00 U ug/L 3.00 15.0 4 09/03/2014 14:16 Zinc EPA 200.8(Zn) 4.00 U ug/L 4.00 20.0 4 09/03/2014 14:16 nmonia EPA 350.1 0.060 mg/L 0.010 0.050 1 09/09/2014 11:29 Nitrogen-Total Kjeldahl EPA 351.2 0.784 mg/L 0.051 0.255 1 09/05/2014 14:30 Nitrate-Nitrite(N) EPA 353.2 0.043 mg/L 0.002 0.010 1 09/08/2014 11:19 Extraction for Chlorophyll and Pheo SM 10200 H Completed 1 09/08/2014 14:00 Digestion for Metals SM 3030 D Completed 1 08/29/2014 08:49 Digestion for TKN SM 4500 NorgD Completed 1 09/04/2014 08:30 Persulfate Digestion for Total P SM 4500-P B Completed 1 09/09/2014 10:00 Chlorophyll a SM18 10200 H 11.2 mg/m3 1.0 1.0 1 09/09/2014 08:42 Hardness-Calculated SM18 2340 B 151 mg/L 1 5 1 09/02/2014 15:17 Residues-Filterable(TDS) SM18 2540 C 740 mg/L 2.0 10 1 09/02/2014 10:45 Nitrite(N) SM18 4500-NO2 B 0.005 I mg/L 0.002 0.01 1 08/29/2014 07:42 Orthophosphate(P) SM18 4500-P E 0.039 mg/1 0.004 0.02 1 08/29/2014 07:42 Phosphorus-Total SM18 4500-P E(P 0.117 mg/L 0.004 0.02 I 09/10/2014 14:45 Total Organic Carbon SM20 5310B 17.4 mg/L 1.00 5.00 1 09/03/2014 14:39 Location: W-6 Field ID: 82714-4 Lab ID: AE61021 Collect Date/Time: 8/27/14 14:00 Analyte Name Method Result Qualifier Units MDL PQL DF Analysis Date/Time CC-Nitrate-N CC-Nitrate-N 0.019 mg/L 0.002 0.010 1 09/11/2014 09:27 Cale Silicon Dioxide(Si02) EPA 200.7 1.71 U mg/L 0.428 2.14 4 09/02/2014 15:35 Calcium EPA 200.7(Ca) 422 mg/L 2.88 14.4 4 09/02/2014 11:20 sgnesium EPA 200.7(Mg) 1290 mg/L 0.88 4.40 4 09/02/2014 11:20 Arsenic EPA 200.8(As) 4.00 U ug/L 4.00 20.0 4 09/03/2014 09:08 Cadmium EPA 200.8(Cd) 2.00 U ug/L 2.00 10.0 4 09/03/2014 14:16 FL State Laboratory ID:E45464 EPA Lab Code:FL00919 Page 3 of 6 Report#0814PBAY Copper EPA 200.8(Cu) 3.00 U ug/L 3.00 15.0 4 09/03/2014 14:16 ad EPA 200.8(Pb) 3.00 U ug/L 3.00 15.0 4 09/03/2014 14:16 Zinc EPA 200.8(Zn) 4.00 U ug/L 4.00 20.0 4 09/03/2014 14:16 Ammonia EPA 350.1 0.065 mg/L 0.010 0.050 1 09/09/2014 11:29 Nitrogen-Total Kjeldahl EPA 351.2 0.560 mg/L 0.051 0.255 1 09/05/2014 14:30 Nitrate-Nitrite(N) EPA 353.2 0.021 mg/L 0.002 0.010 1 09/08/2014 11:19 Extraction for Chlorophyll and Pheo SM 10200 H Completed 1 09/08/2014 14:00 Digestion for Metals SM 3030 D Completed 1 08/29/2014 08:49 Digestion for TKN SM 4500 NorgD Completed 1 09/04/2014 08:30 Persulfate Digestion for Total P SM 4500-P B Completed 1 09/09/2014 10:00 Chlorophyll a SM18 10200 H 1.0 U mg/m3 1.0 1.0 1 09/09/2014 08:42 Hardness-Calculated SM18 2340 B 6366 mg/L 1 5 1 09/02/2014 15:35 Residues-Filterable(TDS) SM18 2540 C 31640 mg/L 2.0 10 1 09/02/2014 10:45 Nitrite(N) SM18 4500-NO2 B 0.002 I mg/L 0.002 0.01 1 08/29/2014 07:42 Orthophosphate(P) SM18 4500-P E 0.008 I mg/I 0.004 0.02 1 08/29/2014 07:42 Phosphorus-Total SM18 4500-P E(P 0.030 mg/L 0.004 0.02 1 09/10/2014 14:45 Total Organic Carbon SM20 5310B 2.24 I mg/L 1.00 5.00 1 09/03/2014 14:39 Location: PB-11 Field ID: 82714-5 Lab ID: AE61022 Collect Date/Time: 8/27/14 14:20 Analyte Name Method Result Qualifier Units MDL PQL DF Analysis Date/Time Nitrate-N CC-Nitrate-N 0.01 mg/L 0.002 0.010 1 09/11/2014 09:27 Cale Silicon Dioxide(SiO2) EPA 200.7 2.65 I mg/L 0.428 2.14 4 09/02/2014 15:35 Calcium EPA 200.7(Ca) 55.8 mg/L 2.88 14.4 4 09/02/2014 11:20 Magnesium EPA 200.7(Mg) 8.44 mg/L 0.88 4.40 4 09/02/2014 11:20 Arsenic EPA 200.8(As) 4.00 U ug/L 4.00 20.0 4 09/03/2014 09:08 Cadmium EPA 200.8(Cd) 2.00 U ug/L 2.00 10.0 4 09/03/2014 14:16 Copper EPA 200.8(Cu) 15.7 ug/L 3.00 15.0 4 09/03/2014 14:16 Lead EPA 200.8(Pb) 3.00 U ug/L 3.00 15.0 4 09/03/2014 14:16 Zinc EPA 200.8(Zn) 15.7 I ug/L 4.00 20.0 4 09/03/2014 14:16 Ammonia EPA 350.1 0.029 I mg/L 0.010 0.050 1 09/09/2014 11:29 Nitrogen-Total Kjeldahl EPA 351.2 1.11 mg/L 0.051 0.255 1 09/05/2014 14:30 Nitrate-Nitrite(N) EPA 353.2 0.015 mg/L 0.002 0.010 1 09/08/2014 11:19 Extraction for Chlorophyll and Pheo SM 10200 H Completed 1 09/08/2014 14:00 Digestion for Metals SM 3030 D Completed 1 08/29/2014 08:49 Digestion for TKN SM 4500 NorgD Completed 1 09/04/2014 08:30 Persulfate Digestion for Total P SM 4500-P B Completed 1 09/09/2014 10:00 Chlorophyll a SM18 10200 H 16.0 mg/m3 1.0 1.0 1 09/09/2014 08:42 Hardness-Calculated SM18 2340 B 174 mg/L 1 5 1 09/02/2014 15:34 Residues-Filterable(TDS) SM18 2540 C 1420 mg/L 2.0 10 1 09/02/2014 10:45 Nitrite(N) SM18 4500-NO2 B 0.005 I mg/L 0.002 0.01 1 08/29/2014 07:42 thophosphate(P) SM18 4500-P E 0.038 mg/I 0.004 0.02 1 08/29/2014 07:42 Phosphorus-Total SM18 4500-P E(P 0.104 mg/L 0.004 0.02 1 09/10/2014 14:45 Total Organic Carbon SM20 5310B 22.8 mg/L 1.00 5.00 1 09/03/2014 14:39 FL State Laboratory ID:E45464 EPA Lab Code:FL00919 Page 4 of 6 ma Report#0814PBAY cation: UPPER_CLAM_BAY Field ID: 82714-6 Lab ID: AE61026 Collect Date/Time: 8/27/14 15:15 Analyte Name Method Result Qualifier Units MDL PQL DF Analysis Date/Time CC-Nitrate-N CC-Nitrate-N 0.017 mg/L 0.002 0.010 1 09/11/2014 09:27 Cale Silicon Dioxide(SiO2) EPA 200.7 3.17 I mg/L 0.428 2.14 4 09/02/2014 15:35 Calcium EPA 200.7(Ca) 83.2 mg/L 2.88 14.4 4 09/02/2014 11:20 Magnesium EPA200.7(Mg) 130 mg/L 0.88 4.40 4 09/02/2014 11:20 Arsenic EPA 200.8(As) 4.00 U ug/L 4.00 20.0 4 09/03/2014 09:08 Cadmium EPA 200.8(Cd) 2.00 U ug/L 2.00 10.0 4 09/03/2014 14:16 Copper EPA 200.8(Cu) 3.58 I ug/L 3.00 15.0 4 09/03/2014 14:16 Lead EPA 200.8(Pb) 3.00 U ug/L 3.00 15.0 4 09/03/2014 14:16 Zinc EPA 200.8(Zn) 5.70 I ug/L 4.00 20.0 4 09/03/2014 14:16 Ammonia EPA 350.1 0.062 mg/L 0.010 0.050 1 09/09/2014 11:29 Nitrogen-Total Kjeldahl EPA 351.2 0.890 mg/L 0.051 0.255 1 09/05/2014 14:30 Nitrate-Nitrite(N) EPA 353.2 0.023 mg/L 0.002 0.010 1 09/08/2014 11:19 Extraction for Chlorophyll and Pheo SM 10200 H Completed 1 09/08/2014 14:00 Digestion for Metals SM 3030 D Completed 1 08/29/2014 08:49 Digestion for TKN SM 4500 NorgD Completed 1 09/04/2014 08:30 Persulfate Digestion for Total P SM 4500-P B Completed 1 09/09/2014 10:00 Chlorophyll a SM18 10200 H 13.9 mg/m3 1.0 1.0 1 09/09/2014 08:42 rdness-Calculated SM18 2340 B 743 mg/L 1 5 1 09/02/2014 15:35 Kesidues-Filterable(TDS) SM18 2540 C 4340 mg/L 2.0 10 1 09/02/2014 10:45 Nitrite(N) SM18 4500-NO2 B 0.006 I mg/L 0.002 0.01 I 08/29/2014 07:42 Orthophosphate(P) SM18 4500-P E 0.085 mg/1 0.004 0.02 1 08/29/2014 07:42 Phosphorus-Total SM18 4500-P E(P 0.173 mg/L 0.004 0.02 1 09/10/2014 14:45 Total Organic Carbon SM20 5310B 20.5 mg/L 1.00 5.00 1 09/03/2014 14:39 t t t, � s„ },s e a ',,my.' €.;# -W a (. r,F ' ,! •a ';',,.,,z,",,". r j.i n � ,, � ��t "�,z, s„ 1 r:�,' , ;'a r.! xr=�z� CC-Nitrate-N CC-Nitrate-N 0.008 mg/L 0.002 0.010 1 09/23/2014 12:12 Calc Silicon Dioxide(SiO2) EPA 200.7 0.428 U mg/L 0.428 2.14 1 09/02/2014 14:58 Calcium EPA 200.7(Ca) 0.720 U mg/L 0.720 3.60 1 09/02/2014 11:20 Magnesium EPA 200.7(Mg) 0.220 U mg/L 0.220 1.10 1 09/02/2014 11:20 Arsenic EPA 200.8(As) 1.00 U ug/L 1.00 5.00 1 09/03/2014 09.08 Cadmium EPA 200.8(Cd) 0.500 U ug/L 0.500 2.50 1 09/03/2014 09:08 Copper EPA 200.8(Cu) 0.750 U ug/L 0.75 3.75 1 09/03/2014 09:08 Lead EPA 200.8(Pb) 0.750 U ug/L 0.750 3.75 1 09/03/2014 09:08 Zinc EPA 200.8(Zn) 1.00 U ug/L 1.00 5.00 1 09/03/2014 09:08 Ammonia EPA 350.1 0.010 U mg/L 0.010 0.050 1 09/09/2014 11:29 Nitrogen-Total Kjeldahl EPA 351.2 0.051 U mg/L 0.051 0.255 1 09/05/2014 14:30 .rate-Nitrite(N) EPA 353.2 0.008 I mg/L 0.002 0.010 1 09/08/2014 11:19 Extraction for Chlorophyll and Pheo SM 10200 H Completed 1 09/08/2014 14:00 Digestion for Metals SM 3030 D Completed 1 08/29/2014 08:49 FL State Laboratory ID:E45464 EPA Lab Code:FL00919 Page 5 of 6 Report#0814PBAY Digestion for TKN SM 4500 NorgD Completed 1 09/04/2014 08:30 .sulfate Digestion for Total P SM 4500-P B Completed 1 09/09/2014 10:00 Chlorophyll a SM18 10200 H 1.0 U mg/m3 1.0 1.0 1 09/09/2014 08:42 Hardness-Calculated SM18 2340 B <MDL mg/L 1 5 1 09/02/2014 14:59 Residues-Filterable(TDS) SM18 2540 C 200 mg/L 2.0 10 1 09/02/2014 10:45 Nitrite(N) SM18 4500-NO2 B 0.002 U mg/L 0.002 0.01 1 08/29/2014 07:42 Orthophosphate(P) SM18 4500-P E 0.004 U mg/1 0.004 0.02 1 08/29/2014 07:42 Phosphorus-Total SM18 4500-P E(P 0.004 U mg/L 0.004 0.02 1 09/10/2014 14:45 Total Organic Carbon SM20 5310B 0.259 I mg/L 1.00 5.00 1 09/03/2014 14:39 FL State Laboratory ID:E45464 EPA Lab Code:FL00919 Page 6 of 6 A q u a g e n i x A D B i SERVICES COMPANY MANAGING YOUR ENVIRONMENTAL NEEDS Special Service Agreement Pelican Bay Services Division C/O Collier County Board of County Commissioners 3299 Tamiami Trail East, Suite 700 Naples, FL 34112 Contact: Marion Bolick Phone: (239)450-4920 Proposal ID Date Terms 77290 8/20/2014 Balance Due 30 Days After Completion Of Work Quantity Description Taxable Unit Price Extended Price 1 Lake Basin V Lake#2-L'Ambiance Lake:Revenue needed for one No $7,275.00 $7,275.00 time application of Aquakler granular plus excelerator liquid to 3.3 acre lake.Slow release product reduces algae growth for up to one year.Allow one to two weeks for gradual results.This product is environmentally safe, non toxic hydrogen peroxide.Includes labor= Total $7,275.00 This offer is good for twenty one(21)days from date of quote. Sales Tax Not Included. DO NOT PAY FROM THIS AGREEMENT-INVOICE TO FOLLOW AQUAGENIX CUSTOMER PRINT NAME PRINT NAME DATE DATE BRANCH OFFICE 14250 Jetport Loop West.Fort Myers FL 33913-7712 USA I T+1 239 561 1420 l F+1 239 561 2883 www.aquageni:xaquatics.com • (01181 , A q u a g e n i x A D B i SERVICES COMPANY MANAGING YOUR ENVIRONMENTAL NEEDS August 5,2014 Pelican Bay Services Division C/O Collier County Board of County Commissioners 3299 Tamiami Trail East,Suite 700 Naples,Florida 34112 Attn: Lisa Resnik and Marion Bolick Lisa and Marion, Following is the annual lake management proposal that you requested last week. I have estimated our costs over a year period which gives you a discount compared to month to month pricing as we are providing for you at this time.This annual lake management agreement is for 138 visits which is 12 visits per month for nine months and 10 visits per month forJanuary, February and March which are typically the colder months of the year.The cost of the annual lake management proposal compared with the cost of the month to month management contracts will save you$13,300.00 for your fiscal year from 10/01/2014 through 09/30/2015.We feel that this is an excellent lake management program for Pelican Bay Services Division's lake system and will keep this property in excellent condition throughout the year. Please let me know if you have any questions. Regards, George Bowling BRANCH OFFICE 14250 Jetport Loop West.Fort Myers FL 33913-7712 USA l T+1 239 561 1420 I F+1 239 561 2883 www.aquaaenixaquatics.com Aquagenix A D B i SERVICES COMPANY MANAGING YOUR ENVIRONMENTAL NEEDS AQUATIC MANAGEMENT AGREEMENT This agreement, proposal#75910 dated 8/4/2014, is made between AQUAGENIX and CUSTOMER: Pelican Bay Services Division C/O Collier County Board of County Commissioners 3299 Tamiami Trail East, Suite 700 Naples, FL 34112 (239)450-4920 Both CUSTOMER and AQUAGENIX agree to the following terms and conditions: 1. General Conditions: AQUAGENIX will provide aquatic management services on behalf of the CUSTOMER in accordance with the terms and conditions of this Agreement at the following aquatic site(s): 26 Lakes located in Naples, FL. 2. Contract Term: The term of this Agreement shall be 12 Month(s) or as otherwise provided by Contract Addendum. 3. Contract Services: CUSTOMER agrees to pay Aquagenix the following amounts during the term of this Agreement for these specific water management services. Border Grass and Brush Control to Water's Edge Included Water Testing (see addendum 13a) Included Bacteria Testing Included Aquatics Consulting Included Fish Stocking(Bass and Bream) Optional Management Reporting Included Biological Control Agent Permit Applications(Triploid Grass Carp, Mosquito Fish) Included Aquatic Plant Control Included Algae Control With No Copper Based Products Included Total Annual Program Investment Annual: $124,200.00 Monthly: $10,350.00 138 inspections per Year with treatment as necessary `Triploid Grass Carp stocking subject to required approval of Fish Wildlife Conservation Commission Created For Pelican Bay Services Division BRANCH OFFICE 14250 Jetport Loop West.Fort Myers FL 33913-7712 USA I T+1 239 561 1420 1 F+1 239 561 2883 Www.oqucigenixaquatics.com Scheduled Visits January 10 February 10 March 10 April 12 May 12 June 12 July 12 August 12 September 12 October 12 November 12 December 12 4. Starting Date: The starting day of this Agreement is the first day of the month in which services are first provided without regard to the actual days unless otherwise agreed to in writing, by both parties. Services shall be continuous without interruption. 5. Schedule of Payment: $10,350.00 shall be due and payable upon execution of this Agreement; the balance shalt be payable in advance as outlined in Paragraph 3 above. CUSTOMER agrees to pay Aquagenix within thirty(30)days after date of invoice at Aquagenix's home office in Hazleton, PA. Failure to pay any amount when due shall constitute a default under this Agreement. 6. Limited Offer: The offer contained in this Agreement is valid for thirty(30) days only and must be returned to our office for acceptance within that period. If not accepted within that time, the offer shall be void. 7. Safety: Aquagenix agrees to use specialized equipment and products, which in its sole discretion, will provide safe and effective results for the specific site(s). 8. Address Change: In the event that AQUAGENIX or CUSTOMER undergoes a change in address, notification to the other party shall be made by first class mail. Written instructions including the new address and telephone number will be enclosed in the notification. 9. Termination Procedure: This Agreement may be terminated by either party with sixty (60) days written notice. Notification must be sent by certified mail, return receipt requested, to Aquagenix, 100 N Conahan Dr, Hazleton, PA 18201. Aquagenix reserves the right, under special circumstances, to initiate surcharges relating to extraordinary price increases of water treatment products. a. „Date of Termination”will be defined as: two (2) months after the last day of the month in which "Notice of Cancellation"was received by Aquagenix in accordance with Paragraphs 9b and 9c. b. In the event that your account is not settled in full at the same time as your cancellation letter is received, Aquagenix will continue to bill you until the contract expires. Settlement in full includes payment for one months service after the end of the month in which the cancellation letter is received by Aquagenix. c. Payment in full shall be defined as payment to Aquagenix through the effective "Date of Termination" as determined by the procedure outlined above in Paragraphs 9a and 9b. Created For Pelican Bay Services Division 10. Insurance: Aquagenix agrees to maintain, at its sole expense, the following insurance coverage: Worker's Compensation, General Liability, Automobile Liability, Property and Casualty, Excess Liability and Business Interruption Coverage. Upon written request, CUSTOMER may be listed as an "Additional Insured"at no extra charge. A Certificate of Insurance will be provided at the CUSTOMER's request. 11.Automatic Renewal: Unless other-wise agreed upon by both parties, this Agreement shall automatically renew for a term equal to its original term, unless a "Notice of Cancellation" has been received as outlined in Paragraph 9. The contract amount may be adjusted at a rate of 4% increase per year on the anniversary date of this Agreement. Unless otherwise agreed to in writing, by both parties, services shall be continuous without interruption. 12. Default: If CUSTOMER defaults on any provision of this Agreement, CUSTOMER hereby agrees that Aquagenix may at its sole discretion seek any or all of the following remedies: a. Termination of this Agreement. In this event, CUSTOMER agrees to make immediate payment of the total contract amount through the end of its term (less previously paid payments) as liquidated and agreed upon damage. b. Imposition of"Collections Charge"for monies due. If this action is deemed necessary, in the sole judgement of Aquagenix, CUSTOMER agrees to pay Aquagenix's reasonable attorney fees (including those on appeal), court costs, collection costs and all other expenses incurred by Aquagenix resulting from this collection activity. c. Filing of a mechanics lien on property for all monies due plus interest, costs and attorneys fees. 13. Addenda: a. Water testing and bacteria monitoring shall be conducted at the sole discretion of Aquagenix for the specific purpose of improving the Aquatic Weed Control Program results. b. Work as requested by CUSTOMER such as trash clean-up, physical cutting and/or plant removal and other manual maintenance may be performed by our staff. Extra work will be invoiced separately at our current hourly equipment and labor rates. 14. Contract Documents: This Agreement constitutes the entire Agreement of Aquagenix and the CUSTOMER. In the event that any portion of this Agreement shall be held invalid or unenforceable, the remaining portions of this Agreement shall be binding upon both parties. No oral or written modification of the terms contained herein shall be valid unless made in writing and accepted by an authorized agent of both Aquagenix and CUSTOMER. AQUAGENIX CUSTOMER PRINT NAME PRINT NAME DATE DATE Created For Pelican Bay Services Division Waterway Survey Chart 8/4/2014 01:47 PM Customer Name Pelican Bay Services Division Inspection Waterway Average Depth Surface Cover Perimeter Date Number (In Feet Deep) (In Acres) (Linear Feet) 5/30/2014 Basin II: Lake#6 4.00 2,395.00 Lake#7 4.60 4,175.00 Lake#8-Swale 1.10 1,445.00 Lake#12-Swale 1.00 1,725.00 Basin III 8/4/2014 Lake#1 2.00 1,975.00 Lake#3 2.50 2,620.00 Lake#5 2.00 1,360.00 Lake#6 1.30 915.00 Lake#7 1.50 1,130.00 Basin IV Lake#2 1.40 1,195.00 Lake#3 2.60 2,360.00 Lake#4 0.50 830.00 Lake#5 2.10 1,275.00 Lake#6 0.70 775.00 Lake#7 0.65 850.00 Lake#8 2.40 1,930.00 Lake#9 1.00 785.00 Lake#10-Irrigation Lake 3.00 2,530.00 Lake#11 3.30 2,720.00 Basin V-Bay Colony Lake#9 0.90 960.00 Lake#10 1.00 850.00 Lake#11 1.60 1,390.00 Lake#12 4.70 2,305.00 Lake#13 2.20 2,010.00 Lake#14 0.70 790.00 Lake#2 3.30 2,875.00 30 Waterways for Pelican Bay Services Division 52.05 44,170.00 Created For Pelican Bay Services Division From: Neil Dorrill [mailto:Neil@dmgfl.com] Sent: Wednesday, September 24, 2014 4:55 PM To: ResnickLisa Subject: FW: Pelican Bay algae results PIs include this as backup to the Aquagenix item on the Oct agenda. Tx Neil From: Bryan Hale [mailto:Brvan.Hale@adbiservices.com] Sent: Wednesday, September 24, 2014 12:00 PM To: ResnickLisa; MarionBolick@@colliergov.net Cc: Kevin Carter; Neil Dorrill; George Bowling Subject: Pelican Bay algae results Lisa and Marion, Here are the results of the algae samples we had taken from Pelican Bay. Also is the emailed information about the recommended type of control for this algae.Again this includes a type of copper, a liquid copper.After speaking with the SePro Rep. about this directly he has stated that the Hydrothol 191 has more adverse effects on water quality downstream, ie: Clam Pass,than a chelated copper like the mentioned Captain XTR is. I am awaiting phosphorus results as well,this will tell us how much phosphorus "food for the algae" is residing in the water column. I hope this information is helpful if you need anything else please let me know. Quoted from SePro Bryan- See SeSCRIPT reports for the Pelican Bay samples.The algae identified is unfortunately extremely tough to control.We have battled this species in numerous other sites this year, most in Florida. The approach that we would recommend starting with here is a Pak 27 application at around 50-75 pounds per acre.This is primarily for its physical action of cleaning off/loosening mats and may float some as well.Then come back around 4 hours later and hit with a Captain XTR diquat("2.5:1 ratio) at a high concentration and intensity application to the algae (surface and or bottom). Thanks West Bishop I Algae Scientist and Water Quality Research Manager SePRO Research and Technology Campus BRYAN HALE . FORT MYERS BRANCH MANAGER 14250 Jetport Loop West Fort Myers FL 33913 Office 239.561.1420 I Mobile 239.633.3172 I Fax 239.561.2883 Aquagenix brvan.hale@dbiservices.com I www.aquagenixaquatics.com A DIVISION OF D B i SERVICES Managing your Environmental Needs imaram SePRO Research CJ, RTC &Technology Campus SeSCRIPT Analysis Report: Pelican ay B5 Lk2 Company:Aquagenix Project Name: Pelican Bay B5 Lk2 Address: 14250 Jetport Loop, Ft Myers, 33913, FL Surface Area:6 acres Contact Person: Bryan Hale Average depth: 6 feet Phone: 239-5614420 Date Sample Received: 9/22/14 Email: bryan.hale@dbiservices.com SeSCRIPT Analysis Performed: Algae Identification Algae ID Results Pelican Lk2 Identification Classification Description Density/Biomass Nodularia sp. Cyanophyta- Filamentous, mat- 0.5 g ww/cm3 (co-dominant) Blue-green algae former,potential toxin **** producer Oedogonium sp. Chlorophyta- Filamentous, mat- 3 (co-dominant) Green algae former, unhealthy 0.5 g ww/cm looking Other algae in the sample, associated with the mats, include:Staurastrum, Pediastrum, Spirogyra (Chlorophyta); Nostoc, Trichormus,Anabaena (Cyanophyta) SeSCRIPT* ALERT INDEX EXPOSURE RISK CYANOBACTERIA LEVELS(cells/mL) Low <20,000 Moderate 20,000 to 100,000 *** High >100,000 **** Extreme >100,000 with scums/mats See the following Cyanobacteria Alert Guide for additional information Page 1 of 2 111111111111.111--. SePRO Research SRTC &Technology Campus Algae Pictures ,,,i, -1:-.:.-...fittii„. ,•, :,,,',,,,;;.:1-:::;:?„,,i, ��` ` t, x ._::-.,.. :,,,.*:,.i„, f.,,.,:,:t. -'_::,... '''''''';',:-..i:::::,:_ii:ii-_':--;:i-,.,.=.1:. as '1. #:'' ; ' ''''' ..:' r.' '''' ', t o iz M,�xti.M.- to ` 3 a r . . ` fil, ,E Ma , q , F Phone:ichael 813-267-5650ShnerEmail:SePROAMshaneruaticSpecialist@sepro.com lorida Page 2 of 2 plemom SePRO Research S RTC &Technology Campus SeSCRIPT Analysis Report: Pelican Bay B4 Lk3 Company:Aquagenix Project Name: Pelican Bay B4 Lk3 Address: 14250 Jetport Loop, Ft Myers, 33913, FL Surface Area:6 acres Contact Person: Bryan Hale Average depth:6 feet Phone:239-561-1420 Date Sample Received: 9/22/14 Email: bryan.hale@dbiservices.com SeSCRIPT Analysis Performed: Algae Identification Algae ID Results Pelican Bay B4 Lk3 Identification Classification Description Density/Biomass Nodularia sp. Cyanophyta- Filamentous, mat- 0.6 g ww/cm3 (co-dominant) Blue-green algae former,potential toxin producer Oscillatoria sp. Cyanophyta- Filamentous, mat- 3 (co-dominant) Blue-green algae former, potential toxin 0.4 g ww/cm producer Other algae in the sample, at densities below 1,000 cells/mL, include: Gomphonema (Bacillariophyta); Oedogonium,Scenedesmus (Chlorophyta);Aphanocapsa (Cyanophyta) SeSCRIPT* ALERT INDEX EXPOSURE RISK CYANOBACTERIA LEVELS(cells/mL) * Low <20,000 ** Moderate 20,000 to 100,000 *** High >100,000 **** Extreme >100,000 with scums/mats See the following Cyanobacteria Alert Guide for additional information Page 1of2 ------------ SePRO Research &Technology SRTC Campus <, 0 Algae Pictures 4=. A4 , X,^ a aA k ^t 5 tikAjpi ''''....',--:,4,.,';'-V, h'_ ',•.,.,'3,71_ 2 Aht ,,. .,.._. ,,,*, , a } ny t , ti Michael Shaner, SePRO Aquatic Specialist, Florida Phone: 813-267-5650 Email: Mshaner@sepro.com Page 2 of 2 From: Bryan Hale [mailto:Bryan.Hale@dbiservices.com] Sent: Tuesday, September 30, 2014 3:25 PM To: ResnickLisa Subject: FW: Lab Results 2014-32187-00 Pelican Bay Lisa, These are the phosphorus results from our testing. BRYAN HALE . FORT MYERS BRANCH MANAGER = 14250 Jetport Loop West I Fort Myers FL 33913 ~ Office 239.561.1420 I Mobile 239.633.3172 I Fax 239.561.2883 A q l.! a g e ii i X bryan.hale@dbiservices.com I www.aauagenixaouatics.com A DIVISION OF DBI SERVICES Managing your Environmental Needs From: SRTC Lab [mailto:srtclabnsepro.com] Sent: Monday, September 29, 2014 10:50 AM To: Bryan Hale Cc: Barkely, Carey; Shuler, Scott; Shaner, Michael Subject: Lab Results 2014-32187-00 Pelican Bay SRTC &TechnologyCampus Hello Bryan, Attached are your analytical results. Contact your SePRO Aquatic Specialist for assistance in implementing your management program. Thank you for working with SePRO Corporation. SRTC Laboratory SePRO Research and Technology Campus 16013 Watson Seed Farm Rd l Whitakers,NC 27891 I \,ww.sepro.com srtclabc Fsepro.com (252)391-8375 CONFIDENTIALITY NOTICE:This electronic transmission(including any files attached hereto)may contain information that is privileged, confidential and protected from disclosure.The information is intended only for the use of the individual or entity named above and is subject to any confidentiality agreements with such party.If the reader of this message is not the intended recipient or any employee or agent responsible for delivering the message to the intended recipient,you are hereby notified that any disclosure,dissemination,copying,distribution,or the taking of any action in reliance on the contents of this confidential information is strictly prohibited.If you have received this communication in error,please destroy it immediately and notify the sender by telephone.Thank you 11111""-- SePRO Research ilawaro SRTC &Technology Campus pJL, SeSCRIPT Testing 16013 Watson Seed Farm Road,Whitakers,NC 27891 Accreditation 4:777497 Chain of Custody: 2014-32187-00 LABORATORY REPORT Page 1 of 2 Total Customer Company Customer Contact Company Name: Aquagenix-fort my/lab Contact Person: Bryan Hale Address: 1450 Jet Port Loop W E-Mail Address: Bryan.Hale@dbiservices.com Fort Myers,FL 33913 Phone: (239)561-2883 Fax: Waterbody Information Waterbody: Pelican Bay-FL Waterbody Size(acres): 6 Depth Average: 6' Sample Information Sample Sampling Sampling Temp at Lab ID Location Test Method Results Date Time Receipt(C) 31028 1 09/18/2014 7.0 Total Phosphorus(µg/L) 2498.1 EPA 365.3 Sample analyzed for total phosphorus contained large amounts of algae. ID of algae and enumeration complete '1029 2 09/18/2014 7.0 Total Phosphorus(µg/L) 10524.5 EPA 365.3 Sample analyzed for total phosphorus contained large amounts of algae. ID of algae and enumeration complte Original 11111" 1" SePRO Research SRTC &Technology Campus Chain of Custody: 2014-32187-00 Page 2 of 2 Total Pages Waterbody Information Waterbody: Pelican Bay-FL Waterbody Size(acres): 6 Depth Average: 6' Sample Information Sample Sampling Sampling Temp at Lab ID Location Test Method Results Date Time Receipt(C) ANALYSIS STATEMENTS: SAMPLE RECEIPT/HOLDING TIMES:All samples arrived in an acceptable condition and were analyzed within prescribed holding times in accordance with the SRTC Laboratory Sample Receipt Policy unless otherwise noted in the report. PRESERVATION:Samples requiring preservation were verified prior to sample analysis and any qualifiers will be noted in the report. QA/QC CRITERIA:All analyses met method criteria,except as noted in the report with data qualifiers. ACCREDI I'ID METHODS:This laboratory is not accredited for the tests marked"s" COMMENTS:No significant observations were made unless noted in the report. Laboratory Information Date Received: 09/24/2014 Time Received: 11:00 Date Analysis Performed: 09/29/2014 Date Results Sent: 09/29/2014 Disclaimer:The results listed within this Laboratory Report relate only to the samples tested in the laboratory.The analyses contained in this report were performed in accordance with the applicable certifications as noted.All soil samples are reported on a dry weight basis unless otherwise noted in the report. This Laboratory Report is confidential and is intended for the exclusive use of SRTC Laboratory and its client. This report shall not be reproduced,except in full,without written permission from SRTC Laboratory.The Chain of Custody is included and is an essential component of this report. This entire report was reviewed and approved for release. Reviewed By: SRTC Laboratory Manager CONFIDENTIALITY NOTICE:This electronic transmission(including any files attached hereto)may contain information that is privileged, confidential and protectedforn disclosure. The information is intended only for the use of the individual or entity named above and is subject to any confidentiality agreements with such party.If the reader of this message is not the intended recipient or any employee or agent responsible for delivering the message to the intended recipient,you are herebynotified that any disclosure,dissemination,copying,distribution,or the taking of any action in reliance on the contents of this confidential nformation is strictly prohibited.If you have received this communication in error,please destroy it immediately and notify the sender by telephone.Thank you u labresults18Original Deacom version: 14.5.24 Dfl7 O Gp co pn � j, rv1 cu o cm 5 m v -0S o- ° 73 (nCm 30 N cp O a o Tf CD — g 0 O o (D a c< ® 0 (D a FS, O 6 V CD y C ? ri 73 ® s 6 3 . c,, CO O CCD A. 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ID of algae and enumeration complete '1029 2 09/18/2014 7.0 Total Phosphorus(µg/L) 10524.5 EPA 365.3 Sample analyzed for total phosphorus contained large amounts of algae. ID of algae and enumeration complte Original 1111' ." SePRO Research SRTC &Technology Campus Chain of Custody: 2014-32187-00 Page 2 of 2 Total Pages Waterbody Information Waterbody: Pelican Bay-FL Waterbody Size(acres): 6 Depth Average: 6' Sample Information Sample Sampling Sampling Temp at Lab ID Location Test Method Results Date Time Receipt(C) ANALYSIS STATEMENTS: SAMPLE RECEIPT MOLDING TIMES:All samples arrived in an acceptable condition and were analyzed within prescribed holding times in accordance with the SRTC Laboratory Sample Receipt Policy unless otherwise noted in the report. PRESERVATION:Samples requiring preservation were verified prior to sample analysis and any qualifiers will be noted in the report. QA/QC CRITERIA:All analyses met method criteria,except as noted in the report with data qualifiers. ACCREDITED METHODS:This laboratory is not accredited for the tests marked"s" COMMENTS:No significant observations were made unless noted in the report. Laboratory Information Date Received: 09/24/2014 Time Received: 11:00 Date Analysis Performed: 09/29/2014 Date Results Sent: 09/29/2014 Disclaimer:The results listed within this Laboratory Report relate only to the samples tested in the laboratory.The analyses contained in this report were performed in accordance with the applicable certifications as noted.All soil samples are reported on a dry weight basis unless otherwise noted in the report.This Laboratory Report is confidential and is intended for the exclusive use of SRTC Laboratory and its client.This report shall not be reproduced,except in full,without written permission from SRTC Laboratory.The Chain of Custody is included and is an essential component of this report. This entire report was reviewed and approved for release. L2013"JY ,.,p Reviewed By: SRTC Laboratory Manager CONFIDENTIALITY NOTICE:This electronic transmission(including any files attached hereto)may contain information that is privileged, confidential and protected from disclosure.The information is intended only for the use of the individual or entity named above and is subject to any confidentiality agreements with such party.If the reader of this message is not the intended recipient or any employee or agent responsible for delivering the message to the intended recipient,you are hereby notified that any disclosure,dissemination,copying,distribution,or the taking of any action in reliance on the contents of this confidential information is strictly prohibited.If you have received this communication in error,please destroy it immediately and notify the sender by telephone.Thank you ulabreser8 Original Deacom version: 14.5.24 - , CD / , �J 3: , ff .",1 _.:, v.. ., „.- ..,,,...,„, ip„. ,,,, ___„.....„,, ,17-,,,..,_ ,,,,,,/ .-, . ‘,„:„... , ._____ ,. .,.,... „......., .).,..... ...._ . .. , cz, .....„ .2._______ ...,,....:„,____,0iia.,. , , ,... .„.,,,, .,..,„, \,%,.,. :,.; . ,,,,- . , 4114$01 rr ,;,,.:, v , '„ , ,,,,,,_. e tt,, A + of, .....4414-', ;'1 '• ,fes 4 �F 1M4:471.,' lose LL :;v I eF2 AR ` tib~`�` of % "110":;'..-4';.: frJ:T SI .:� { i 4 _Y. a'" �r` I t r !1 1 • 1.� � S , t� 1 "`?r-� v. toks io i.. I fix, i. JI'_'l * f 1,1 I -�sa•. *, . .4----- -, , '1� A _ 1 a� int i �� • 3t Yom, ,:1� P. ` f . 10r Lµ/ F q 1 , /'� ).A.,„1" cif r , 4�. 1_' ns ___-----� � i Z oy 4 r + J {r t l b, SePRO Research S RTC &Technology Campus v 0 Water Quality Analysis Explanation These water quality parameters are essential to document the condition of a water body and design custom treatment prescriptions to achieve desired management objectives. pH: Measure of how acidic or basic the water is(pH 7 is considered neutral). <6 notably acidic 6-9 standard for typical freshwaters >9 notably basic 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Hardness:Measure of the concentration of divalent cations,primarily consisting of calcium and magnesium in typical freshwaters. 0-60 mg/L as CaCO3 soft; 61-120 moderately hard; 121-180 hard; > 181 very hard Alkalinity-Measure of the buffering capacity of water,primarily consisting of carbonate,bicarbonate and hydroxide in typical freshwaters. Waters with lower levels are more susceptible to pH shifts. 50 mg/L as CaCO3 low buffered; 51-100 moderately buffered; 101-200 buffered; >200 high buffered Conductivity-Measure of the waters ability to transfer an electrical current,increases with more dissolved ions. <50 uS/cm relatively low concentration may not provide sufficient dissolved ions for ecosystem health;50-1500 typical freshwaters; > 1500 may be stressful to some freshwater organisms, though not uncommon in many areas Dissolved Oxygen-amount of diatomic oxygen dissolved in the water. <2 mg/L likely toxicity with sufficient exposure duration; <5 stressful to many aquatic organisms;>5 able to support most fish and invertebrates Phosphorus:Essential nutrient often correlating to growth of algae in freshwaters. Total Phosphorus(TP)is the measure of all phosphorus in a sample as measured by persulfate strong digestion and includes:inorganic,oxidizable organic and polyphosphates. This includes what is readily available,potential to become available and stable forms. <12,ug/L oligotrophic; 12-24 pg/L mesotrophic;25-96 pg/L eutrophic; >96 pg/L hypereutrophic Free Reactive Phosphorus(FRP)is the measure of inorganic dissolved reactive phosphorus(PO4-3,HPO4-2, etc).This form is readily available in the water column for algae growth. Nitrogen:Essential nutrient that can enhance growth of algae. Total N is all nitrogen in the sample(organic N+and Ammonia)determined by the sum of the measurements for Total Kjeldhal Nitrogen(TKN)and ionic forms. Nitrites and Nitrates are the sum of total oxidized nitrogen,often readily free for algae uptake. < 1 mg/L typical freshwater; 1-10 potentially harmful; >10 possible toxicity, above many regulated guidelines Chlorophyll a: primary light-harvesting pigment found in algae and a measure of the algal productivity and water quality in a system. 0-2.6pg/L oligotrophic;2.7-20 pg/L mesotrophic;21-56 pg/L eutrophic; >56 pg/L hypereutrophic Turbidity-Measurement of water clarity.Suspended particulates(algae,clay,silt,dead organic matter)are the common constituents impacting turbidity. < 10 NTU drinking water standards and typical trout waters; 10-50 NTU moderate; >50 NTU potential impact to aquatic life. Page 1 of 1 ResnickLisa From: Bryan Hale [Bryan.Hale@dbiservices.com] Sent: Tuesday, October 14, 2014 10:43 AM To: Neil Dorrill (neil@dmgfl.com); Kevin Carter(kevin©dmgfl.com); BolickMarion; ResnickLisa Subject: Pelican Bay Lakes Just wanted to touch base with everyone on the lakes at Pelican Bay. I understand there is concern of how things have looked and what has been done. Unfortunately our timing of receiving the work as well as limited by the use of any copper has made a hindrance of some of efforts. We tried everything within our powers to do what we could given the time of the year and the herbicides available. I would like to speak with anyone who is interested on what our plan would be going forward if we were to obtain the lakes. There is a lot of work that can be done in the non-summer season to prepare for the season. One would be a wall to wall systemic treatment that would give year-long control of the slender spike rush and other submersed growth that is the main cause of the algae and floating mats. This can only be done once the water is no longer flowing as the herbicide has to hold a concentration within the water for 45-60 days. There are also some methods of phosphorus reduction that can be used, again when the water isn't flowing to reduce the phosphorus which will lead to less algae as the phosphorus is the main food source for the algae. We appreciate the chance you have given us to work with you and would really like to continue the work and get the property to a healthy and aesthetically pleasing condition for everyone. Thank You BRYAN HALE . FORT MYERS BRANCH MANAGER 14250 Jetport Loop West I Fort Myers FL 33913 Office 239.561.1420 I Mobile 239.633.3172 I Fax 239.561.2883 Aqua gen 1 X bryan.hale@dbiservices.com I www.aquagenixaquatics.com A DIVISION OF D B i SERVICES Managing your Environmental Needs 1 EarthGuard Lake Management 1430 Rail Head Blvd. #106 Naples, Florida 34110 Pelican Bay Services Division 10-8-2014 Attn: Marion Bolick Here is our proposal for the maintenance of the ponds in the Pelican Bay basin system.We hope it is satisfactory. We are very familiar with the copper reduction program at Pelican Bay. Currently we service The Crescent, Pebble Creek,Valencia, Interlachen,Serendipity, Grand Bay and Coco Bay in Pelican Bay. We have had good results with alternative algaecides as well as"seeding"these ponds with beneficial bacterial agents. We can start immediately if needed. We are exclusively a Naples and Fort Myers based business,serving customers all across Lee and Collier counties. We currently maintain about 300 ponds in over 50 communities and could give your site the attention it deserves. Let us know if you need licensing or insurance information.We will have our agent forward it to you. Thanks again, Bob Luther EGC Cell 239-571-0077 earthguardlakes@yahoo.com Phone 239-596-9869 Fax 239-498-5452 "Serving Southwest Florida Since 1994" 1 EarthGuard Corporation 1430 Rail Head Blvd. #106 Naples, Florida 34110 THIS AGREEMENT,known as the"Lake Contract", made the day set forth below,by and between EarthGuard Corp.,a Florida Corporation,hereinafter called"EGC",and the client, hereinafter called "Customer". The parties hereto agree as follows; Contract Date: Monthly Service,start to be determined EGC agrees to manage certain lake(s)and/or waterways in accordance with the terms and conditions of the agreement in the following location: Pelican Bay, basins as directed by PBSD. Naples, Florida All lakes included.(30) 2.Chemical treatment as required. Minimum of 8 visits per month for lake management, weather permitting-frequent monitoring. 3.CUSTOMER agrees to pay EGC the following sum for these specified water management services: *Algae and Aquatic Weed Control *Shoreline Grass Control to the Water's Edge *Normal Trash Removal *Basic Water Testing as needed *Bacteria Testing as needed *Aquatics Consulting *Monitoring and Reporting *Biological Control Permit Assistance Lake Program Investment $6115.00 per month. This Agreement shall have as it's effective date the first week of the month in which services are first rendered to CUSTOMER.The program price has been equally spread over a 12 month payment period and does not reflect the actual fluctuating seasonal costs of service. Customer will be billed on the first day of the month following service.Collection terms are net 30 days from invoice date. 3. Please read the agreement addendum. 4.Renewal Date:Month to month,to be reassessed after intial control services. This Aquatic Services Agreement is entered into Collier County,Florida,which the parties 1 agr is th place of pa ment and jurisdiction in the event of a dispute. all i" fff l Auth 'ze -epresentative Authorized Client/Manager Serving Southwest Florida Since 1994 2 Addendum to Aquatic Services Agreement 1_The"EGC aquatic vegetation program"will be conducted in a manner consistent with good water practice using periodic treatments to maintain reasonable control of excessive growth of aquatic vegetation.CUSTOMER understands that some vegetation is needed in any body of water to maintain a balanced aquatic ecological system. 2.EGC agrees to use only EPA registt,cd products approved for use in the State of Florida,that have been shown to present a wide margin of safety for fish,waterfowl and human life. 3.It is the CUSTOMERS responsibility to inform EGC of any and all work areas that are required mitigation sites in which desirable plants have been or are going to be planted. CUSTOMER agrees to provide EGC with site plans,permits,etc_,relating to contracted work areas. EGC assumes no responsibility for damage to desirable plants where CUSTOMER has failed to disclose such information. 4.EGC agrees to commence treatment within ten(10)days,weather permitting,from the date of receipt of signed agreement 5.Water use restrictions after trent are not often required. When iesh lotions are required,EGC will notify CUSTOMER in advance and post signs.It is the CUSTOMERS responsibility to maintain these signs throughout the restrictive time period.EGC does not assume any liability for failure by any party to be notified of,or to observe,the above regulations. 6.CUSTOMER agrees that the services to be providied are for the benefit of the CUSTOMER regardless of whether of not CUSTOMER has direct legal ownership of the water areas specified.In the event that the CUSTOMER does not directly own the areas where service is provided.CUSTOMER warrants and represents that he has control of these areas to the extent that he may authorize the specified services and agrees to hold EGC harmless for the consequences of such services not arising out of EGC's sole negligence_ 7.EGC at its expense shall maintain the following insurance coverage:General Liability,Property Damage,Workers Comp.,and Automobile Liability. &EGC reserves the right to assess a monthly service charge,not to exceed 1_5%per month,of any delinquent amount outstanding for a period of thirty(30)days. 9.Collection terms are net thirty(30)days. 10.Should it become necessary for EGC to bring action for monies due and owing under this Agreement, CUSTOMER agrees to pay collection costs including,but not limited to reasonable attorney fees (including those on appeal)and court costs,and all other costs incurred by EGC resulting from such collection action. 11_CUSTOMER agrees to pay invoice promptly.If delinquent more than thirty(30)days,EGC may elect to cancel Agreement 12.EGC may terminate this Agreement at any time with thirty(30)days notice. 13.This Agreement will automatically renew with no increase on its anniversary date unless terminated by either party with thirty(30)days written notice_ 14.If at any time during the term of this agreement CUSTOMER feels that EGC is not performing in a satisfactory manner,or in accordance with the terms of the AGREEMENT,customer shall inform EGC in writing describing the dissatisfaction.If EGC is unable to remedy the dissatisfaction within a reasonable time,in accordance to proper lake management practices,customer may terminate the AGREEMENT with 30 days notice,in writing. This Agreement constitutes the entire Agreement of the parties hereto and no oral or written alterations or modifications of the terms contained herein shall be valid unless made in writing and accepted by an authorized representative of both EGC and CUSTOMER EarthGuard Lake Management 1430 Rail Head Blvd. #106 Naples, Florida 34110 Pelican Bay Services Division/Collier County 10-8-2014 Aquatic Planting Proposal for floating littoral islands at Avalon Condominium Here are the costs for the aquatic plants.We recommend,golden canna,arrowhead and pickerel weed.These are standard species for this type of application. 2500 plants total. Arrow Head, (duck potato) Each: $1.85 (833 total) $1542.00 Golden Canna,more mature, 1-2 feet tall,4"pot $1.85 (833 total) $1542.00 Pickerel Weed,more mature, 1 foot tall,4" pot $1.85 (833 total) $1542.00 Installation/Labor Re-anchoring. Included Total $4625.00 earthguardlakes@vahoo.com Phone 239-596-9869 Fax 239-498-5452 1 EarthGuard Lake Management 1430 Rail Head Blvd. #106 Naples, Florida 34110 Our Services Include... Fish stocking. We have a supplier form Central Florida that can provide native sportfish such as bass,bream and catfish. Normally bass and bream are the most popular. Bass range from $.80 each for fingerlings up to a few dollars each for larger. I recommend the fingerlings.The bream are anywhere from$.25 each and up.A minimum order of$300.00 is needed to avoid shipping costs. Plant Installation.We can provide and install native littoral aquatic plants of many varieties.For a location like community parks,we would recommend using arrowhead, pickerel weed and bulrush.These are very common and are hardy also.The tend to do better than other varieties in ponds where lake management treatments are needed.These plants are all resonably priced and include installation. Water testing.We can provide field testing of the ponds to include oxygen content,calcium chloride,conductivity and turbidity. Fountains.We own a full service fountain service,repair and sales company.We can provide a quote for any specific fountain need you have. Lake Management.We have been providing these services for the 18 years.We can be contacted for advice and evaluation of the overall condition of the ponds at any time. earthguardlakesC yahoo.com Phone 239-596-9869 Fax 239-498-5452 "Serving Southwest Florida Since 1994" 1 Earth Guard Lake Management 1430 Rail Head Blvd. #106 Naples, Florida 34110 References C.Allen Properties, Chip Allen President 403-4009 Site-Naples Bath and Tennis Club 10 lakes,over 15 years as lake managers. Compass Group of Naples, Vic Burnett CAM 593-1233 Sites-The Retreat and Bentley Village, Boca Ciega Manor, Pebble Creek,Valencia,Serendipity, The Cove at Island Walk 15+lakes,over 15 years at some sites. Towne Properties, Lanny Formaro CAM 596-1031 Site-Tarpon Cove of Naples 5 lakes, 10 years City of Marco Island, Nancy Ritchie, Head Environmentalist 389-5003 Site-Mackle and Plummer Parks 2 lakes,over 10 years. earthguardlakes@vahoo.com Phone 239-596-9869 Fax 239-498-5452 1