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Agenda 07/09/2015 PELICAN BAY SERVICES DIVISION Municipal Services Taxing & Benefit Unit NOTICE OF PUBLIC MEETING JULY 9, 2015 THE WATER MANAGEMENT COMMITTEE OF THE PELICAN BAY SERVICES DIVISION WILL MEET AT 1 PM ON THURSDAY, JULY 9 AT THE COMMUNITY CENTER AT PELICAN BAY, LOCATED AT 8960 HAMMOCK OAK DRIVE, NAPLES, FL 34108. AGENDA 1 . Pledge of Allegiance 2. Roll call 3. Agenda approval 4. Approval of April 23 meeting minutes 5. Audience comments 6. Community outreach presentation 7. Staff report on frequency of treatments, costs, and effectiveness of algae control methods and discussion of additional parameters to include in spreadsheet on lakes 8. Discussion of proposed budgeting for aeration installation, littoral plantings and non-copper chemical treatments 9. Review of current lake and Clam Bay nutrient levels 10. Discussion of water management policy: PBSD vs. associations and consideration of obtaining water management easements on privately maintained lakes in Pelican Bay 11. Discussion of developing a quantitative evaluation system to measure algae and duckweed problems in lakes 12. Reconsideration of Blue Tilapia 13. Adjournment ANY PERSON WISHING TO SPEAK ON AN AGENDA ITEM WILL RECEIVE UP TO THREE (3) MINUTES 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. 7/7/2015 1:31 PM PELICAN BAY SERVICES DIVISION WATER MANAGEMENT COMMITTEE MEETING APRIL 23,2015 The Water Management Committee of the Pelican Bay Services Division met on Thursday, April 23 at the Pelican Bay Services Division, located at 801 Laurel Oak Drive, SunTrust Building, Suite 302,Naples, Florida 34108. The following members attended. Water Management Committee Tom Cravens, Chairman Ken Dawson Henry Bachman Scott Streckenbein Joe Chicurel Dave Trecker Pelican Bay Services Division Staff Neil Dorrill, Administrator Mary McCaughtry, Operations Analyst Marion Bolick, Operations Manager Lisa Jacob, Recording Secretary Also Present Gary Canino,Pelican Bay Foundation Board Joe Chicurel,Vice Chairman,Pelican Bay Services Division Board Dave Cook, Chairman, Pelican Bay Foundation Board Tim Corcoran,Pelican Bay Foundation Board Jim Hoppensteadt, President, Pelican Bay Foundation Geoff Noble, resident Susan O'Brien, Chairman, Pelican Bay Services Division Board Ted Raia, Mangrove Action Group FINAL AGENDA 1. Roll call 2. Agenda approval 3. Approval of 2/26/15 meeting minutes 4. Audience comments 5. Portion of Commons drainage easement release request 6. County vs. CH2M proposals for Pelican Bay stormwater lakes water quality monitoring a. Status of lake treatments (add-on) b. Restocking Tilapia in community center lake (add-on) 7. Update on community educational outreach a. PBSD's revised presentation"An Update on Water Quality in Pelican Bay" b. Sample Presentation"Living on the Water's Edge" c. Revised brochure "Our Lakes in Pelican Bay" 8. Adjournment 1 Pelican Bay Services Division Water Management Committee Meeting April 23,2015 ROLL CALL All members were present and a quorum was established AGENDA APPROVAL Mr.Bachman moved, Mr. Streckenbein seconded to approve the agenda with the deletion of Item 1, and the addition of items 6a, Status of lake treatments, and 6b, Restocking Tilapia in community center lake. The motion carried unanimously. APPROVAL OF 2/26/15 MEETING MINUTES Dr. Trecker moved, Mr. Streckenbein seconded to approve the 2/26/15 meeting minutes with the following correction: Dr. Trecker noted that his name should be placed under the"Also Present" heading. The motion then carried unanimously. AUDIENCE COMMENTS There were no audience comments. PORTION OF COMMONS DRAINAGE EASEMENT RELEASE REQUEST Dr. Trecker moved, Mr. Bachman seconded to recommend to the full PBSD Board that the easement be released as requested. After Board discussion and Audience comments,the motion carried unanimously. COUNTY VS CH2M HILL PROPOSALS FOR PELICAN BAY STORMWATER LAKES WATER QUALITY MONITORING Mr. Bachman moved,Mr. Streckenbein seconded to recommend to the full PBSD Board that the quote from the Collier County Pollution Control Laboratory for their services for$17,686 be approved. The motion carried unanimously. STATUS OF LAKE TREATMENTS (ADD-ON) Staff reported that aeration was installed in several lakes to help to control algae and would be installed in additional lakes as the budget permits. Installation of littoral plants is estimated to cost$800 to $1,000 per lake. A type of peroxide is currently being tested in two lakes for its effectiveness to control algae. RESTOCKING TILAPIA IN COMMUNITY CENTER LAKE (ADD-ON) Mr. Hall's previous opinion regarding no problem was associated with stocking blue tilapia into lakes to control algae was read into the record. After a brief discussion,the Committee agreed that other methods would be used. 2 Pelican Bay Services Division Water Management Committee Meeting April 23,2015 UPDATE ON COMMUNITY EDUCATIONAL OUTREACH Three publications"An Update on Water Quality in Pelican Bay", "Living on the Water's Edge", and "Our Lakes in Pelican Bay"were reviewed and options for presentations to various community organizations were discussed. ADJOURNMENT The meeting was adjourned at 2:23 p.m. 3 1- mai'Pelican Dar Services Division E ley pel ican BaY Services Division -x ..». za .�,.. z t:us g z� zf . .. �«�S g .;= ;.u'#n- �k P�� � .ems ,� An " ,...,:...11ilt,•-•--,--'....,,.. ''.''# :.'-''''1.00 k -,,,-, a of • :; i i _ '"- - F�4 ` ' G f :if fl ^e §s c. u f 2 . hT r. 7/9/2015 v.i PELICAN BAY SERVICES DIVISION !' E WATERWAY SYSTEM Part of the South Florida Water Management District 63 freshwater lakes — retention ponds control runoff it 44 lakes are the responsibility of the PBSD 19 lakes are the responsibility of individual 4 associations o Troughs to canal along berm, with culverts leading to Clam Bay o Clam Bay — Outer, Inner and Upper Clam Bay, , connecting creeks and Clam Pass I a 7/9/2015 d.1 3 ho .. t••'s :' '' f,• I° S r PELICAN BAY SERVICES DIVISION r 'T llr rst � ,,,,,kr*/,, vt;‘,'''..i4, '‘,,, 0.12=;,44tv,'„ ..iii ,11-,„;,_- * -,-;;=-..•,,,, .t� M ,=-, ' ( ,mot ritfr.:'%4'*'st it' -ii7.1'..A.'11::Ifi ;;;;;'''.:'4:t*".''..**''.17:- *::-'''''''''' -a ni 'A S". 1 Vic., . 'T Vim•"F s ' 1 3, 3 3 i„ ,*.4r, -t- it? a Jy. � � i Sj -46\ ,"i �, a b. � I t a ,.....„, „ ,,,,,. ,.,.._„:„._,.. .. ., ,,,, 1",..... ik t ,-. w, r:rye-r t b.J r° s 7/4/2015 v 1 : ..% . ''' ,," 1 § e , �'�r € iii , , 1 Lakes Swales/Canals along berm Clam Bay 5 ' -- i v .� s rte_,< . ,. . ....,. L^...„ .., k b 5r sn PELICAN BAY SERVICES DIVISION STATE AND FEDERAL REGULATIONS o Man-made Lakes SFWMD approval after construction No regulation thereafter o Clam Bay U.S. EPA standards Florida DEP standards 7/9/2015 v.1 6 ,gas„a���.,� .� �, .w >.» ._ ..>. ,T, ,� ,a.���. �,..,.,� ��� �.fa�t�x . ,,.,,��>m,> •.< CLAM BAY WATER QUALITY Standard Actual Dissolved oxygen ? 5.0 mg/L 5.1 ** Total Nitrogen 0.81 mg/L* 0.50 ** Total Phosphorus 0.06 mg/L* 0.06 ** Copper <_ 3.7 pg IL 5.8 Inner Clam Bay ** 9.1 Upper Clam Bay ** * Midpoint of allowed range ** Average in 2011-12 7/9/2015 v.1 7 CLAM BAY WATER QUALITY Florida Department of Environmental Protection classified Clam Bay "impaired for copper" in October 2012 and gave Pelican Bay 5 years to develop a plan to deal with the problem 7/9/2015 v.1 8 t s..in PELICAN BAY SERVICES DIVISION SEQUENCE OF PROBLEMS High fertilizer usage Excessive irrigation Nutrient accumulation in lakes in Clam Bay 4 Algae bloom from excess nutrients - Reduced dissolved oxygen - Odor and sediment build up - Fish and bird kill 4 Copper build-up from algae treatment 7/9/2015 v.1 9 PELICAN BAY SERVICES DIVISION SEQUENCE OF PROBLEMS Fertilizer Runoff Lake and Bay Nutrient Pollution Algae Bloom... it Lake and Bay Copper Pollution Copper Algaecide 7/9/2015 v.1 10 I O s.m�d ren. PELICAN BAY SERVICES DIVISION ,z i e APPROACH TO PROBLEM 1. Inform community and urge fertilizer BMP (2013-14) o Talks to local groups o Flyers to residents o Pelican Bay Post articles 2. Stop using copper algaecide o PBSD in 8113 (44 lakes) o Individual associations in 2013-14 (19 lakes) 3. Find alternatives for algae control (10 test lakes) o Aeration 0 Floating islands o Littoral plants 0 Fish o Bacteria 4. If necessary, remove remaining copper (last resort) refs"' 7/9/2015 v.1 11 IIII IIF7+ PELICAN 'BAY SERVICES DIVISION WHERE DO WE STAND? o Copper levels dropping in Clam Bay o Algae and duckweed problems worsening in lakes 7/9/2015 v.1 12 assess wislae COPPER LEVELS IN CLAM BAY MOST RECENT RESULTS, pg/L 2011/2012 2015 Average Average Outer Clam Bay 1.3 0.8 Inner Clam Bay 5.7 1.9 Upper Clam Bay 10.4 3.6 limit = 3.7 Outliers excluded 7/9/2015 v.1 13 Iz z itat PELICAN BAY SERVICES DIVISION h{slon WHERE DO WE STAND? • Copper levels dropping in Clam Bay • Less copper from lakes • Copper entering sediment • Tidal flushing to Gulf • Algae and duckweed problems worsening in lakes ml 7/9/2015 v 1 14 Ng s r SOLUBLE COPPER IN LAKES 200 180 160 140 120 100 —4—Equilibrium with sediment Copperµg/L 80 60 l= , � 40 20 0 F - 13-Mar 13-Aug 13-Nov 14-Feb 14-May 14-Aug 14-Dec ..-. .) 7/9/2015 v.1 15 PELICAN BAY SERVICES DIVISION - _ COPPER DISPOSITION liquid Cu (I Flushing Cu (1111 liquid sediment T Cu (II) Lakes I Cu (i' sediment Clam Bay Cu (II) Gulf of Mexico 7/9/2015 v 1 16 v, "' �` t `" '" E€€ .ter ° s ,' , +,f, �„ . °.. s. ,, ,., 4, ,,. -` �', s ; & n. t ... ssa_ ,. ° &1= �m §-m ', „ .. gym I rwo.q i sgvk ` PELICAN BAY SERVICES DIVISION ' } aP I WHERE DO WE STAND? • Copper levels dropping in Clam Bay • Less copper from lakes • Copper entering sediment • Tidal flushing to Gulf • Algae and duckweed problems worsening in lakes • Continuing high nutrient & irrigation run-off • Non-copper algaecides less effective • Alternative treatments promising in trials 7/9/2015 v.1 17 F pdk. PELICAN BAY SERVICES DIVISION TOTAL NITROGEN IN LAKES ________ -- - - 8 3.5 7 3.0 6 c ■e 2.5 :, , 5 - c m 2.0 4 � on -Ai-- re T° 1.0 " 2 a 0.5 1. I-- f i �I' . ,,'.II i I.I:' ,t 1, >,;, i I t :`t� ill' �ti � ti� �ti ,,;,1, ti �� �� ,�„ tia 5‘,,° �, > ®° `Q �a� ■Qo�' a©, @ems 'Z� •x•54° Sao° 0,,, ,;s�'� P„@i ,, INN Rainfall -to--1 -Q-2 Li. 3 -0-4 5 6 7/9/2015 vl PELICAN BAY SERVICES DIVISION TOTAL PHOSPHORUS IN LAKES 0.45 8 0.40 ti 7 0.35 6 E 0.30 5 - L# 0.25 s 0.20 f. - >. 0.15 ; .., f a — 0.10 ‘.4 N104* / „ . 2 13 12 0.05 1 0.00 I ':' - 0 �� y, yL yL y1 ryni �� tits s'' yQ ya "yp c%°�+ ��o �a� Ja; boa 4�� �� vy. aJ" ��� aa 106 Oec ®Rainfall - -1 -- --2 t -3 - 3 4 5 6 7/9/2015 v.1 Plikaa PELICAN HAY SERVICES DIVISION Servkw AVERAGE NUTRIENT LEVELS IN LAKES mg/L 2013 2014 Total phosphorus 0.17 0.09 (Recycled water 1.97) Nitrate/nitrite 0.20 0.22 (Recycled water 2.06) 7/9/2015 v.1 20 PELICAN BAY SERVICES DIVISION BEST SUPPRESSION OF ALGAE* o Aeration + littoral plants (4 test lakes) o Aeration alone or plants alone (2 test lakes) o Floating islands (1 test lake) o Blue tilapia (1 test lake) * Visual examination over 7 -15 months Role of bacteria uncertain Duckweed also a problem 7/9/2015 v.1 21 Services GOING FORWARD o Expand aeration to additional lakes o Consider additional plantings (2016) o Consider additional floating islands o Renew community presentations 7/9/2015 v.1 22 I Swka WHAT CAN YOU DO? Demand that lawn/landscape management companies: o Follow BMP for fertilizer use o Direct irrigation heads and minimize irrigation water use o Collect grass clippings near lakes 7/9/2015 v.1 23 '-'1*--;' 1 1' _ if Clean g roundwater and a y health environment are pons bi it !i l everyone's res 7/9/2015 v.1 24 3&'°E# fys§a .f!itligi4.1f -,,a:.?,',1.tp;',Altatc-;,.,;;;,:fl 0,-, ivir.„.. ..... . ,,, , „... .:„...„,_::: . . ...,,, ,i.,.. $. -, , pelican Bav ,,,,,..,,,,„... ..,,, Services Division 111 7/9/2015 v 2 Pe lican Ba y .,.,..,,,,,„ ,,,, , „ ii Services ...„...,„ , . -,-, --- ' ', Division , _. .. , ..,,, ,_,,,_,„„_.„,.......,,,,„.„.„.._,.,„.,„ ,,. . .. .... . ,..._„....__ .. .....„... „,___.. ..,..... ..:„........ ,... _ ,_,________, :_-_-- --',------:----,, ---:, ,,i,,,,,-- :,,,,,,,,,,,,,,,,,,,, ,,,,,,, .,.,„::::: ,, _ . „ _ _. : . s , , ,,,, .... , , , . .:: :_. . . ,, ,,, ,,,,,, . . _ ,„ , ' s t. 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Servkes PELICAN BAY SERVICES DIVISION _ — WATERWAY SYSTEM Part of the South Florida Water Management District o 63 freshwater lakes — retention ponds control runoff LI 44 lakes are the responsibility of the PBSD y 19 lakes are the responsibility p y of individual associations Troughs to canal along berm, with culverts leading to il - Clam Bay 0 Clam Bay — Outer, Inner and Upper Clam Bay, connecting creeks and Clam Pass 7/5/2015�i.2 3 use tt« as wa s ery e a w Kc 6 �:?.. °.I /, a D ..*Mt ? 4 r �v a;� ' � ,.mss 4 V...tilt;4 4.4a.;11,),,,t4.e OS,: .4,, i 4 s6: 1 4.;;--,.; •-... t .ic .4.4 .v7., isa i-, -v- * ',* "s- 1 ..,„. vc,#.4,, , ,4tep,pid*-i r 4.,," .":!'-;-<7.r.'t71.It.'- i 4 'i s�• +ir s r,,,,V , , ' k - —'At t,'"'„A ,r ,,,,4 i ,... . e."' � vm ' x j I ' Ai it,..t?-rt, ;I:fto * ..... .... , ,, .,........, 7 , 1.41.,......40 „ .4-1,'-;:j'..7.',."'*V.,I.,"Af,..;:,.—:*IL F e +, 3 r47.7, J •• y PELICAN BAY SERVICES DIVISION Lakes Swales/Canals along berm : Clam Bay 7/9/2015 r rPELICAN BAY SERVICES DIVISION STATE AND FEDERAL REGULATIONS o Man-made Lakes SFWMD approval after construction No regulation thereafter o Clam Bay U.S. EPA standards Florida DEP standards 7/9/2015 v 2 6 ' „, CLAM BAY WATER QUALITY Standard Actual Dissolved oxygen >_ 5.0 mg/L 5.1 ** Total Nitrogen 0.81 mg/L* 0.50 ** Total Phosphorus 0.06 mg/L* 0.06 ** Copper <_ 3.7 µg /L 5.8 Inner Clam Bay ** 9.1 Upper Clam Bay ** * Midpoint of allowed range ** Average in 2011-12 7/9/2015 v.2 7 } CLAM BAY WATER QUALITY Florida Department of Environmental Protection classified Clam Bay "impaired for copper" in October 2012 and gave Pelican Bay 5 years to develop a plan to deal with the problem 8 7/9/2015 v.2 111.4%,. PELICAN BAY SERVICES DIVISION , SEQUENCE OF PROBLEMS High fertilizer usage Excessive irrigation Ni h Nutrient accumulation in lakes 4, Algae bloom from cess nutrients - Reduced iss ve oxygen - Odor and dime build up - Fish and bird kill y Copper build-up from alp treatment x/9/201 .z I PELICAN BAY SERVICES DIVISION a SEQUENCE OF PROBLEMS Fertilizer Runoff if > Lake and Bay Nutrient Pollution Algae Bloom 1 Lake and Bay Copper Pollution Copper Algaecide 7/9/2015 v.2 10 APPROACH TO PROBLEM 1 . Inform community and urge fertilizer BMP (2013-14) o Talks to local groups o Flyers to residents o Pelican Bay Post articles 2. Stop using copper algaecide o PBSD in August 2013 (44 lakes) o Individual associations in 2013-14 (19 lakes) 3. Find alternatives for algae control (10 test lakes) o Aeration o Floating islands o Littoral plants o Fish • Bacteria 7/9/2015 v.2 11 Fir f F WHERE DO WE STAND? o Copper levels dropping in Clam Bay o Algae and duckweed problems worsening in lakes 12 7/9/2015 v.2 a . ,.- .;�, :rte ,e bias ,a,.x:, ..�, „ COPPER-LEVELS IN CLAM BAY MOST RECENT RESULTS, pg/L 2011/2012 2015 Average Average Outer Clam Bay 1.3 0.8 Inner Clam Bay 5.7 1.9 Upper Clam Bay 10.4 3.6 ,Q fss\ P limit = 3.7 7/9/2015 v.2 r, 13 :.' . ,>`!.......fi. ,- ,.. _..; _ --_;: .': ''' ;e. .,. ''_ ;, te �m . . , ,.. ''''''''Ilt7.1111ES'kr''''''.,''''''''''*1" '' '':''..'.....'„,...,,,..,.... WHERE DO WE STAND? • Copper levels dropping in Clam Bay • Less copper from lakes • Copper entering sediment • Tidal flushing to Gulf • Algae and duckweed problems worsening in lakes 7/9/2015 v.2 14 �5l „t.vrz ust''. u......, ar1v E+n,rn w. .... mow WHERE DO WE STAND? • Copper levels dropping in Clam Bay • Less copper from lakes • Copper entering sediment • Tidal flushing to Gulf • Algae and duckweed problems worsening in lakes • Continuing high nutrient & irrigation run-off • Non-copper algaecides less effective • Alternative treatments promising in trials 7/9/2015 v.2 15 -7 - '44 - - TOTAL NITROGEN IN LAKES 4.0 8 3.5 7 3.0 / 6 be 2.5 or 40 5 -i- *414, •/ _4) 4 1 2 '."1"*24°.°64X1144 • '‘) 3 To 1.0 2 cl 0 . 1— 0.5 I 1 0.0 , 11'.1A ' 0 Rainfall —e-2 4,..0 3 4 5 -6 7/9/2015 v.2 TOTAL PHOSPHORUS IN LAKES 0.45 8 0.40 A), 7 0.35 N 6 b 0.30 f - , 5 0.25 4 0.20 . N ;- 0 0.25 I ---._ � " p - j n 1 r 0.05 1 0.00 i r; i '` I 0 y, yy by 41,4*fie`y <4e.P 43;\ ‘S.).% `,1° Qt.YQ ,‘%a mu Rainfall -0-1 -0--2 3 -G-4 - 5 7/9/2015 v.2 Y see.b. 2014 AVERAGE NUTRIENT LEVELS mg/L Total phosphorus Lakes 0.09 Irrigation water 1.97 Nitrate/nitrite Lakes 0.22 Irrigation water 2.06 7/9/2015 v.2 18 sank. BEST SUPPRESSION OF ALGAE* o Aeration + littoral plants (4 test lakes) o Aeration alone or plants alone (2 test lakes) o Floating islands (1 test lake) o Blue tilapia (1 test lake) * Visual examination over 7 - 15 months Role of bacteria uncertain Duckweed also a problem 7/9/2015 v 2 19 s Sauk. a ' `�. Won GOING FORWARD o Expand aeration to additional lakes o Add littoral plantings o Consider additional floating islands o Renew community presentations 7/9/2015 v.2 20 WHAT CAN YOU DO? Demand that lawn/landscape management companies: o Follow BMP for fertilizer use o Direct irrigation heads and minimize irrigation water use o Collect grass clippings near lakes 7/9/2015 v.2 21 Clean g roundwater and a health y environment are everyone's responsibility! 7/9/2015v 2 22 Ul 14. PROPOSED BUDGETING FOR LAKE WATER QUALITY Aerator installation $100,000/year for next three years Average installation cost = $10,600/aerator Aerators already installed in 20 lakes Cost of installation in remaining 24 lakes = $254,400 (covered by budgeted $300,000) Annual energy and maintenance cost? Littoral plantings $35,000/year for next five years Average planting cost = $800/lake Littoral plants already installed in 16 lakes Cost of planting in remaining 28 lakes = $22,400 (covered by FY 2016 budget of$35,000) Annual maintenance cost? Floating islands Nothing budgeted If cost-effectiveness proved, some money budgeted for littoral Planting might be used Cost + maintenance per island? 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V� r •$ c•1 'i Y —\ 11111111110 �� ,% 1c .tom' N 1 rt 'a - -° 1 what '' ' a # k.` y r y '''' - - ' 4 - '' ' -.. .i - 4- 0 �y y ....or., 41._17.....440r ..!.„,..„ . ..... 1 , , . dti t...,,,.-- : 0:-.'f .E f 1,„ ,- - .• 0 • • ,.._,— ..'i-'41711!';":4 a'# tIF 4 w ' �L . '# r -1' x a, ; 'e�-...+ �, .F"8• 4 " err ! 1, ^S t' .4.- +.. P:\0235.6 PBF-Nutrient Manage ment\CAD\0235-FLOWS_BASINS,dwg 9/23/2013 RANDI.JONES LADE AND CLAM BAY NUTRIENT LEVELS • TN and TP little changed in lakes since 2012 (see graphs) Conclusion—Fertilization and/or irrigation still mismanaged • Clam Bay readings for 3/4/15 (mg/L) TN TP CB1 0.93 0.13 CB 3 0.38 0.07 CB 6 0.30 0.03 • Clam Bay readings for 3/26/15 (mg/L) TN TP CB1 0.74 0.12 CB3 0.42 0.08 CB6 0.19 0.04 Midpoint of allowable TN in TN/Conductivity swath is 0.80 mg/L Midpoint of allowable TP in TP/Conductivity swath is 0.06 mg/L • Problems with high nutrient levels in lakes (1) They promote algae and duckweed growth in lakes, requiring costly treatments. 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E r Co C') POLICY CONSIDERATIONS FOR PBSD VS ASSOCIATIONS WATER MANAGEMENT RESPONSIBILITIES • Ordinance indicates PBSD has "water management" responsibility • SFWMD permits specify easements for"for access and drainage, including the construction, placement, maintenance, repair and replacement of drainage swales, lakes, embankments, structures, pipes, manholes and related appurtenances over, under, on and through the properties described ..." • For certain basins, the permits specify reporting of water quality data; correction of water quality, erosion or shoaling; correction of water quality problems resulting from operation of surface water management system. • Nothing in the permits precludes water-quality management, including algae and duckweed control. • Water quality in Clam Bay is directly affected by water management of the lakes, e.g., nutrient runoff, algae control. You can't separate the two. If PBSD walks away from managing the lakes, it has to be prepared for the consequences in Clam Bay. • PBSD now has easements for only 44 (70%) of the 63 lakes. Individual associations have maintenance responsibility for the remaining 19 lakes (30%). We have no control whatsoever over what those associations do. We have no enforcement authority (the Foundation may be able to enforce, if it chooses to get involved). • PBSD should estimate costs for maintaining the 19 lakes now maintained by individual associations—this to help determine whether we should try to get easements for those remaining lakes. • PBSD cannot dictate policy to the associations, including those whose lakes we now maintain, as was suggested in the O'Brien memo of 6/24/15 — e.g., imposing energy costs, aerator repairs, equipment replacement. • If we choose to turn water-quality management responsibilities over to the associations for the 44 lakes we now manage, we must be ready to accept the likelihood that copper sulfate,the least costly and most effective algaecide, will be used in some lakes—with almost certain consequences in Clam Bay. Dave Trecker 7/6/15 ResnickLisa From: Henry Bachman [hl.bachman @gmail.com]on behalf of Henry Bachman [h.bachman @ieee.org] Sent: Saturday, July 04, 2015 3:48 PM To: ResnickLisa Subject: One way Communication Lisa, please sent this one way Communication to Chairperson O'Brien and the Directors. With regard to the request for comments on the possible agenda items for upcoming meetings, I suggest the following: 1. There be an opportunity prior to the time when we"Adopt water management policies"to hear from the County Attorney to advise if, based on the governing ordnance creating the MSTBU and the Unit's Permits and Easements for operating the water management system,the treatment for algae,the littoral plantings,the floating islands and the water aeration systems on the lakes managed by the PBSD but otherwise being private property, constitutes a violation of Florida statute for the use of public funds for private purposes. 2. There be a discussion of how the MSTBU purposes as described in the governing ordinance justify safety related activities other than those specifically related to the prescribed purposes for the Unit Henry Bachman h.bachman!a`,;ieee.org 239-325-9234 Telephone & FAX 207-776-8418 (c) 1 Notes re: July 1, 2015 agenda topics Discussion of Water Management policy. Attached are a list of issues brought to PBSD's attention during the last several weeks; a very preliminary draft of PBSD water management policy that the Board may want to consider refining and eventually adopting to provide a basis on which water management decisions will be addressed/resolved; and some basic information about the ponds. Suggested agenda items for upcoming meetings.Attached is a draft. Goal is to set target dates to avoid overloading some meeting agendas and to provide staff and/or committees adequate time to prepare recommendations. Florida Sunshine law. Attached are legal opinions regarding voting by phone and written correspondence between Board members,two issues that have recently been discussed by some members of the Board. The objective is to share/discuss this information with all Board members. DRAFT ��un��x' x Water Management in Pelican Bay Per Collier County ordinance, PBSD provides water management service for PB. ( There are 63 water management ponds in six drainage basins in PB. In most cases these water management ponds are owned bw the unoncia� which they located. PBSD has drainage easements for 44 of these ponds. These easements provide right-of- vvayoccesstotbcpondutoperfnrmnthospeci0cdrainago'rc!atedvvorknutlinediotbo easements. Each easement is unique, but in most cases the easement specifies that it is"for access and drainage,including the construction, placement,maintenance, repair and replacement of drainage swales,lakes,embankments,structures, pipes, manholes and related appurtenances over, under,on and through the properties described..." PBSD is the permitee for several South Florida Water Management District (SFWMD) permits for water management in Pelican Bay. The permit issued in 1978 covers basins I, 11,and . The SFWMD permit for basins IV and V was issued in 1989.and the SFWMD permit for basin VI was issued in ?. Included in the permit for basin I, H,and III was this specific condition: "Water quality data for the water discharged from the perrnit1ee'nprnper�'sha/| bnoubnoi��ndto�he [3�VVyMD> District." (SFWMD) The SFWMD permit for System (basin) IV includes these special conditions: "The permittee shall be responsible for the correction of any water quality,erosion or shoaling problems that result from the construction or operation of the surface water management system. Lake side slopes shall bc4:1 (horizontal 1overdcaDtoa depth nf two feet br\ovvthe control elevation. Side slopes shall be nurtured or planted'from 2 feet below to 1 foot above control elevation to insure vegetative growth." Special conditions for the SFWMD permit for System (basin) V special were as follows: "The permittee shall,be responsible for the correction of any erosion or shoaling problems that result from the construction or operation of the surface water management system. The permittee shall be responsible for the correction of any water quality problems that result from the construction or operation of the surface water management system. In 2013 PBSD stopped using copper sulfate in the ponds for which it has drainage easements and asked that PB associations also stop using copper sulfate. PBSD has found that aeration equipment and littoral plantings and tall grass at ponds'edges help reduce nutrients and algae in ponds and has encouraged all associations in PEI to use this equipment and plantings in its ponds. PBSI) has one pilot program using floating islands in the pond at Avalon. The effectiveness of this program will be evaluated. PBSD staff checks the 44 ponds on a ?basis and uses?to control weeds and?to control algae,and?for? PBSD staff checks the embankments and erosion of the 44 ponds on a?basis. The pipes connecting the ponds are checked on a?basis. PBSD conducts water quality testing on a quarterly basis in 30 of the ponds in PB. PBSD installed the fountains in the ponds in Georgetown (North)and Glenview and will not repair/replace these fountains when they stop working. PBSD has purchased and installed aeration equipment in ?ponds for which it has drainage easements and will install aeration equipment in the remainder of ponds on which it has drainage easements as funds are available. Associations which own the ponds are responsible for energy costs for the aeration equipment and for repairs and replacement equipment as needed. PBSD will remove aeration equipment it installed upon the request of the owners of the pond. PBSD will remove exotics and other vegetation around ponds for which it has easements if they are blocking the flow of water through established swales,flow- ways,pipes,and ponds. PBSD will provide interested associations with start-up littoral plantings for the ponds for which PBSD has drainage easements. NOTES: Notes in bold need to discussed and edited by the Water Management Committee and/or PBSD Board. Documents requested by Henry Bachman and included in the May board materials were a primary source for this draft. It appears we have the SFWMD staff report for the initial permit,but not the actual permit. The initial permit may include additional special or limiting conditions not listed above. It appears we don't have the permit modification document for basin VI. PBSD may want to consider making basin IV a priority for littoral plants because they are mentioned in the permit. Per the drainage easements we have seen to date,none include any landscaping responsibilities,making those who own the ponds responsible for landscaping. 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