Agenda 08/03/2017 PELICAN BAY SERVICES DIVISION
Municipal Services Taxing & Benefit Unit
NOTICE OF PUBLIC MEETING AUGUST 3, 2017
THE WATER MANAGEMENT COMMITTEE OF THE PELICAN BAY SERVICES
DIVISION WILL MEET AT 1:00 PM ON THURSDAY, AUGUST 3 AT THE
PELICAN BAY SERVICES DIVISION, 3RD FLOOR OF THE SUNTRUST
BUILDING, SUITE 302, LOCATED AT 801 LAUREL OAK DRIVE, NAPLES, FL
34108.
AGENDA
1. Pledge of Allegiance
2. Roll call
3. Agenda approval
4. Approval of 04/21/17 meeting minutes
5. Audience comments
6. *Phase 2 lake bank erosion study results — presentation by Tom Barber (ABB)
7. Status of 2017 aerator installation
8. Systematic twice weekly monitoring of solar aerators
9. Evaluation of "Lake Evaluation Form" and potential use
10. Lake water quality
11. Other business
12. Adjournment
*indicates possible action items
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.
7/25/2017 1:05:20 PM
PELICAN BAY SERVICES DIVISION
WATER MANAGEMENT COMMITTEE MEETING
APRIL 21,2017
The Water Management Committee of the Pelican Bay Services Division met on Friday,
April 21 at 1:00 p.m. at the SunTrust Bank Building, 801 Laurel Oak Drive, Suite 302,
Naples, Florida 34108. The following members attended.
Water Management Committee Scott Streckenbein
Tom Cravens, Chairman Dave Trecker
Pelican Bay Services Division Staff Mary McCaughtry, Operations Analyst
Neil Dorrill, Administrator Lisa Jacob, Associate Project Manager
Marion Bolick, Operations Manager Barbara Shea, Recording Secretary
Also Present Susan O'Brien, PBSD Board
Tom Barber, Agnoli, Barber& Brundage Mike Shepherd, PBSD Board
Mary Johnson, Pelican Bay Foundation
APPROVED AGENDA (AS PRESENTED)
1. Pledge of Allegiance
2. Roll call
3. Agenda approval
4. Approval of 01/26/17 meeting minutes
5. Audience comments
6. *North berm restoration
7. 2017 aerator installation
8. Status of recently installed aerator systems
9. *Status of bacteria and tilapia testing
10. Status of"microfloc"testing
11. Status of plantings in Avalon lake
12. Plantings and rip rap at the Oak Lake Sanctuary lake
13. *Lake bank erosion(consultant presentation)
14. Other business
15. Adjournment
*indicates possible action items
ROLL CALL
All members were present and a quorum was established
1
Pelican Bay Services Division Water Management Committee Meeting
April 21,2017
AGENDA APPROVAL
Dr. Trecker motioned, Mr. Cravens seconded to approve the agenda as
presented. The motion carried unanimously.
APPROVAL OF 01/26/17 MEETING MINUTES
Mr. Streckenbein motioned, Dr. Trecker seconded to approve the 01/26/17
meeting minutes as presented. The motion carried unanimously.
AUDIENCE COMMENTS
None
NORTH BERM RESTORATION
Dr. Trecker motioned, Mr. Streckenbein seconded for the Water
Management Committee to endorse the decision by the Budget Committee
to place $50,000 in the budget for the east side of the north berm project.
The motion carried unanimously.
2017 AERATOR INSTALLATION
By consensus, the committee agreed that staff should move forward with the
process of completing the final phase of the aerator project, including an additional
aerator for the Las Brisas lake. Sufficient funds have been budgeted for the 2017 phase.
STATUS OF RECENTLY INSTALLED AERATOR SYSTEMS
Mr. Bolick reported that the recently installed aerators have been running
consistently for over 30 days.
STATUS OF BACTERIA AND TILAPIA TESTING
In the agenda packet, Mr. Cravens provided emails from Mr. Dave Cook and Ms.
Patricia Vlasho who provided positive comments on their experience/results with using
blue tilapia to combat algae in their respective private lakes. Although Mr. Cravens was
in favor of expanding the PBSD blue tilapia program, Dr. Trecker took an opposing view.
Dr. Trecker cited the following reasons for not expanding the test program: (1) frequent
algae in the Ridgewood Lake (one of the blue tilapia test lakes), (2) lack of data from any
community in SW Florida with documented positive results from blue tilapia, (3) Mr.
Dave Cook's blue tilapia experience/comments were not a result from a "controlled
experiment," and (4) blue tilapia are currently considered an invasive species to this area.
Dr. Trecker motioned, Mr. Streckenbein seconded for the Water
Management Committee to endorse the decision by the Budget committee
to add $35,000 in the operating budget for bacteria to be added to the
remaining lakes for which we have responsibility. The motion carried
unanimously.
STATUS OF "MICROFLOC" TESTING
2
Pelican Bay Services Division Water Management Committee Meeting
April 21,2017
By consensus, the committee agreed not to approve any funds for "microfloc"
testing for the FY18 budget.
STATUS OF PLANTINGS IN AVALON LAKE
Ms. Jacob reported that the Avalon lake littoral planting project has been put out
for bids and that our consultant has recommended the project begin in late May/early
June to increase the survivability of the plants.
Mr. Ray O'Keefe commented on his experience with "floating islands" in the
Breakwater lake.
PLANTINGS AND RIP RAP AT THE OAK LAKE SANCTUARY LAKE
Mr. Dorrill provided an update on the 2016 Oak Lake Sanctuary lake project. He
reported that during the next month, staff will (1) extend the rip rap installed last year to
provide a better finished look, and (2) install additional littoral plants in the southeast
corner, which is exhibiting some die-off.
LAKE BANK EROSION
Mr. Tom Barber, our ABB consultant, provided raw data of (1) average
escarpment height, (2) maximum escarpment height, (3) average slope, and (4) maximum
slope of the lake banks of the 45 lakes for which PBSD has responsibility. Although he
identified eight lakes with top priority based on the raw data, he expects to tweek/rectify
priority rankings based on additional review.
Dr. Trecker commented that the Budget Committee has placed $100,000 in the
FY18 budget for lake bank repair projects. With a rollover amount of approximately
$110,000 from FY17,the PBSD would have $210,000 for these projects in FY18.
Mr. Barber provided a general discussion of"geoweb" and "geotube" as possible
solutions to lake bank erosion, including approximate cost per foot.
Ms. O'Brien questioned whether the PBSD is responsible for lake bank
deficiencies, based on SFWMD permits. She suggested these permits be reviewed to
confirm PBSD's responsibility for lake bank erosion repairs at all of the 45 lakes.
Mr. Dorrill requested that ABB's final report include (1) a one page discussion of
the pros and cons of the alternatives available as solutions for lake bank erosion,
including geoweb and geotube, and (2) a basis for establishing the PBSD obligation for
lake bank erosion repairs at each of our 45 lakes.
Ms. Mary Johnson commented on escarpment problems at the St. Marissa private
lake.
OTHER BUSINESS
At the suggestion of Mr. Cravens, the committee recommended that staff look
into options and related costs of video projection equipment for the improvement of
committee meeting presentations held in the conference room of the PBSD office.
ADJOURNMENT
IThe meeting was adjourned at 2:13 p.m.
3
Pelican Bay Services Division Water Management Committee Meeting
April 21,2017
Tom Cravens, Chairman
Minutes approved [ ] as presented OR [ ] as amended ON ] date
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Page 1 of 1
PBSD LAKE EVALUATION FORM
Basin# Lake# Date
Lake Description
Percent of Lake covered with Algae and/or Duckweed
Example 19%A or 20%D
Was Photograph of the Lake taken? Yes No
Water temperature of Lake
Additional Notes
Date of Treatment
Type of Treatment
Name of Evaluator
Signature of Evaluator
Agenda Item#10
Page 1 of 4
HIGH TOTAL PHOSPHORUS IN CLAM BAY (mg/L)
4/17 5/17
CB1 0.13* 0.11*
CB 2 0.14* 0.17*
CB 3 0.05 0.22*
CB 4 0.05 0.08*
CB5 0.04 0.10*
CB 6 0.07* 0.08*
CB 7 0.07* 0.08*
CB 8 0.06 0.08*
CB 9 0.05 0.06
* Out of spec (FDEP)
Agenda Item#10
Page 2 of 4
TOTAL PHOSPHORUS IN THE LAKES (mg/L),
Basin 2/16 5/16 8/16 2/17 5/17
1 0.07 0.13 0.09 0.07 0.09
2 0.11 0.11 0.12 0.06 0.11
3 0.29 0.25 0.22 0.18 0.23
4 0.14 0.13 0.13 0.13 0.10
5 0.13 0.14 0.13 0.16 0.19
•
6* 0.14 0.15 0.29 0.5.4 0.28
* Only one lake sampled in Basin 6 (Remington)
Agenda Item#10
Page 3 of 4
HIGHEST PHOSPHORUS READINGS IN LAKES--2016-17
2/16 5116 8/16 2/17 5/17
Vizcaya(5-15)* X X X X X
Laurel Oaks (3-2)* X X X X X
Golf course(3-5) X X X X
Valencia(3-9)* X X X X
Remington (6-1) X X X
Coco Bay (4-14)* X X
Golf course(4-10) X X
Golf course(3-6) X X
Crayton (1-6) X
Golf course (2-12) X
Golf course (4-11) X
* Private lake
Bold face= Very high reading (over 0.3 mg/L)
Agenda Item#10
Page 4 of 4
TOTAL PHOSPHORUS IN THE LAKES—2016-17*
• No upward or downward trend in any of the basins**
• Basin 3 is the worst,** with consistently high numbers, perhaps
impacting Inner Clam Bay.
• Vizcaya is consistently the worst lake, with very high numbers,
perhaps impacting Upper Clam Bay.
* Five readings
** Excluding Basin 6,which has only one lake sampled (Remington)