PBSD MSTBU Clam Bay Committee Agenda 11/08/2018 PELICAN BAY SERVICES DIVISION
Municipal Service Taxing and Benefit Unit
NOTICE OF PUBLIC MEETING NOVEMBER 8, 2018
THE CLAM BAY COMMITTEE OF THE PELICAN BAY SERVICES DIVISION WILL
MEET AT 1:30 PM ON THURSDAY, NOVEMBER 8 AT THE PELICAN BAY SERVICES
DIVISION, 3RD FLOOR OF THE SUNTRUST BUILDING, SUITE 302, LOCATED AT 801
LAUREL OAK DRIVE, NAPLES, FLORIDA 34108.
AGENDA
1. Roll call
2. Agenda approval
3. Approval of 09/06/18 meeting minutes
4. Audience comments
5. Clam Bay
a. Update on monitoring
b. Update on stressed mangroves near PBF north boardwalk
c. THA assessment of debris removal and hand-dug channel maintenance
d. Suggested changes to Scope of work for Clam Bay monitoring
e. Canoe trail marker 12
6. Clam Pass
a. H&M October tidal ratio report
b. October aerial photos
c. Impact of Hurricane Michael on Clam Pass
d. Upgraded modems for tidal gauges
7. Water quality
a. 3rd Quarter Clam Bay WQ results
b. TP exceedances in 2nd Quarter report
c. Copper results
d. August WQ results from County Lab
e. Changes in upland pond WQ testing and reporting
f. Analyzing TP results from past decades
g. Documenting rookery activity in annual WQ report
8. Review/update of the Clam Bay Management Plan
9. Annual Reports
a. Clam Bay Tidal Analysis and Bathymetric reports due December 21, 2018
b. Water Quality report due February 15, 2019
10. Next meeting: January 3, 2019
11. 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.
10/15/2018 11:26 AM
PELICAN BAY SERVICES DIVISION
CLAM BAY COMMITTEE MEETING
SEPTEMBER 6,2018
The Clam Bay Committee of the Pelican Bay Services Division met on Thursday, September 6 at
1:30 p.m.at the SunTrust Bank Building, 801 Laurel Oak Drive, Suite 302,Naples,Florida 34108.
In attendance were:
Clam Bay Committee Bohdan Hirniak
Susan O'Brien, Chairman Rick Swider (absent)
Pelican Bay Services Division Staff Mary McCaughtry, Ops Analyst (absent)
Neil Dorrill, Administrator Lisa Jacob,Assoc. Project Manager (absent)
Marion Bolick, Operations Manager (absent) Barbara Shea, Recording Secretary
Also Present Mohamed Dabees, Humiston& Moore
Jennifer Bobka, Earth Tech Jeremy Sterk, Earth Tech
APPROVED AGENDA(AS PRESENTED)
1. Roll call
2. Agenda approval
3. Approval of 07/12/18 meeting minutes
4. Audience comments
5. Clam Bay
a. Update on monitoring
b. Update on THA assessment of debris removal and hand-dug channel maintenance
c. Canoe trail marker 12
d. Draft update for October PB Post
6. Clam Pass
a. H&M August tidal ratio report
b. August aerial photos
c. Bathymetric survey results for annual report
7. Water quality
a. Tomasko Clam Bay WQ reports for Nov.2017—April 2018
b. Copper results
c. Proposal for copper sediment testing
d. Suggested changes in upland pond WQ testing and report
8. Annual Reports
a. Clam Bay Tidal Analysis and Bathymetric reports due December 21, 2018
b. Water Quality report due February 15, 2019
c. Documentation of rookery for annual WQ report
9. Next meeting: January 3, 2019
10. Adjournment
1
Pelican Bay Services Division Clam Bay Committee Meeting
September 6,2018
ROLL CALL
Mr. Swider was absent and a quorum was established
AGENDA APPROVAL
Mr. Hirniak motioned,Ms.O'Brien seconded to approve the agenda as presented.
The motion carried unanimously.
APPROVAL OF 07/12/18 MEETING MINUTES
Ms. O'Brien motioned, Mr. Hirniak seconded to approve the 07/12/18 meeting
minutes as amended. The motion carried unanimously.
AUDIENCE COMMENTS
None
CLAM BAY
UPDATE ON MONITORING
Mr. Sterk,Environmental Consultant with Earth Tech,provided drone photos of an area of
stressed mangroves, located south of the north boardwalk. Mr. Sterk identified possible causes as
(1) blockage in the channel network which may be causing excessive standing water (Earth Tech
will doublecheck the channels in this area to ensure proper flow), and (2) excessive amounts of
sand in this area,pushed in by Hurricane Irma. Mr. Sterk suggested periodically scheduling drone
photos of the PB mangrove forest,to identify any stressed areas which would then be monitored.
Ms. Bobka,Environmental Consultant with Earth Tech,provided a report on seagrasses in
Clam Bay, based on fixed monitoring stations which allow for quantifying densities and
abundances of seagrasses along six transects. She reported that seagrasses have been fairly stable
from 2017 to 2018, are in similar locations, with acreage increasing slightly from 3.85 in 2017 to
3.87 in 2018.
UPDATE ON THA ASSESSMENT OF DEBRIS REMOVAL AND HAND-DUG
CHANNEL MAINTENANCE
Ms. O'Brien commented that Mr. Hall has reported(by e-mail)that the THA(Turrell Hall
& Assoc.) assessment/inspection of debris removal and hand-dug channel maintenance is
approximately 90%complete.
CANOE TRAIL MARKER 12
Mr. Sterk commented that canoe trail marker 12 remains on the County's list of markers
to be replaced.
DRAFT UPDATE FOR OCTOBER PB POST
Ms. O'Brien provided a draft(included in the agenda packet) of an article entitled, "Clam
Bay Update" to be included in the October Pelican Bay Post. It is intended to provide a brief
update to PB residents and to let them know that all of our major Clam Bay reports are available
on our PBSD website. Ms. O'Brien noted that under"Water Quality,"she will correct"allowable
10%" to "allowable 13%" in the second paragraph. Dr. Dabees, Environmental Consultant with
Humiston and Moore, suggested adding a few photos of the current "good conditions" at Clam
2
Pelican Bay Services Division Clam Bay Committee Meeting
September 6,2018
Pass. The committee had no additional suggested changes. Ms. O'Brien commented that she
would send an updated draft of the article to the PBSD Board to offer any edits/changes prior to
forwarding the article to the PBF for inclusion in the next edition of the Pelican Bay Post.
CLAM PASS
H&M AUGUST TIDAL RATIO RESULTS
Dr. Dabees commented that August tidal flow looks good,with ratios close to .7.
AUGUST AERIAL PHOTOS
Dr. Dabees provided recent aerial photos of Clam Pass and commented that conditions
look better than they did a month ago.
BATHYMETRIC SURVEY RESULTS FOR ANNUAL REPORT
Dr. Dabees commented that the last official bathymetric survey was completed in May
2018. Prior to the preparation of Humiston & Moore's annual report, Dr. Dabees will complete
some condition surveying, document the level of shoaling, and suggested that an additional full
survey would not be necessary in 2018.
WATER QUALITY
TOMASKO CLAM BAY WO REPORTS FOR NOV. 2017—APRIL 2018
Dr. Tomasko, Environmental Consultant with ESA, provided two quarterly Clam Bay
water quality reports for Nov. 2017 — April 2018 (included in the agenda packet). Ms. O'Brien
highlighted that in 2018 total phosphorous readings have been out of compliance with state
standards 46% of the time, far surpassing the 13% exceedances allowable by the state. Dr.
Tomasko suggested that high TP levels may be a result of hurricane debris and/or the rookery in
Upper Clam Bay. He does not believe high TP is a result of upland input, based on the readings
from the berm water samples.
COPPER RESULTS
Ms. O'Brien commented that copper results look good, showing just 7 exceedances out of
63 samples so far this year.
HISTORY OF TP LEVEL IN CLAM BAY
The committee discussed looking at the history of the level of total phosphorus in Clam
Bay and suggested obtaining historical data on TP levels from Mr. Hall to provide to Dr.Tomasko
for an analysis of the historical trend. The committee suggested that Mr. Hall provide a proposal
for this study.
PROPOSAL FOR COPPER SEDIMENT TESTING
Ms. O'Brien commented that Mr. Hall is working on providing a proposal for copper
sediment testing.
SUGGESTED CHANGES IN UPLAND POND WQ TESTING AND REPORT
Ms. O'Brien commented that Mr. Hall will be contacting Dr. Tomasko to discuss possible
changes in upland pond water quality testing and reports.
3
Pelican Bay Services Division Clam Bay Committee Meeting
September 6,2018
ANNUAL REPORTS
CLAM BAY TIDAL ANALYSIS AND BATHYMETRIC REPORTS DUE
DECEMBER 21,2018
Ms. O'Brien suggested that the annual Clam Bay tidal analysis and bathymetric report be
delivered before Christmas.
WATER QUALITY REPORT DUE FEBRUARY 15,2019
Ms. O'Brien suggested that the annual water quality report be delivered by Feb. 15, 2019.
DOCUMENTATION OF ROOKERY FOR ANNUAL WQ REPORT
Ms. O'Brien suggested compiling rookery data to be included in an appendix to the
Tomasko annual water quality report. She suggested that Mr. Sterk, Mr. Hall, and Dr. Tomasko
have a discussion to determine the best methodology to document the rookery and that they
consider any potential benefits from sediment testing for TP near the rookery.
NEXT MEETING:
By consensus,the committee agreed that the next meeting of the committee would be held
on November 8 at 1:30 p.m.
ADJOURNMENT
IThe meeting was adjourned at 2:31 p.m. (
Susan O'Brien, Chairman
Minutes approved [ ] as presented OR [ ] as amended ON [ ] date
4
Agenda item#50
Page 1 of 8
MEMORANDUM
TO: Pelican Bay Services Division c/o 'sa Jacob
FROM: Tim Hall
DATE: September 28,2018
RE: Results of Flushing Channel Maintenance Inspections
Lisa,
As requested and authorized under PO 4500187324 Turrell,Hall and Associates (THA)
biologists have walked the mangrove Flushing channels to inspect the channel maintenance
work conducted this year. Visual inspections were made to determine if sediment and debris
removal from the channels was sufficient to allow them to maintain the flushing capabilities for
which they were installed.
The inspection activities was conducted in August and September. Access to the channels was
from the Bay Colony/ Strand roadways,the western berm along the pelican Bay community,
and via kayak from the County canoe and kayak launch. THA personnel involved in the
inspections were Tim Hall and Nick Pearson.
It is clear that a lot of vegetative debris was removed from the channels,byproduct of Hurricane
Irma in September 2017. Most of the debris was placed far enough from the channels to not be in
danger of immediately falling back into the channels. There is still some debris caught up in
branches over the channels that can be expected to eventually drop but that is not an immediate
issue. Sediment removed from the channels was also spread out away from the channel to
minimize the chance that it be washed back into them.
Several of the channel openings into the Bay have become overgrown but not to the extent that
they would be blocking flows out of the channels. On-going inspections should continue to
monitor these areas to make sure they do not start to cause a restriction in flows.
Overall the maintenance conducted was done very well and to specifications. There were a
couple of instances where debris was across the channels,but it appeared that it had fallen after
the maintenance work had been done in those areas. THA biologists cleared the smaller debris
but had to leave a couple of the larger trunks. We also noticed one area on the east side of the
system that work had not been done and Brazilian pepper was growing into the channel and
causing blockage. It did not appear that the maintenance work had extended into this area.
The following pages include representative photographs along with GPS coordinates of problem
areas that were noted during the inspection.
Agenda item#5c
Page 2 of 8
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Agenda item#5c
Page 3 of 8
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Agenda item#5c
Page 4 of 8
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Agenda item#5c
Page 5 of 8
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Agenda item#5c
Page 6of8
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Agenda item#5c
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WAYPOINTS 2018-08-10 BAY
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WAYPOINTS 2018-08 08r. �` :.4" ;., m ` .-
CHANNEL MAINTENANCE TRACKS - _, i. '.'"N *- . �-_,.5 '14f114.74; a
DRAWN BY RMJ REVISION: SCALE11'4)3.0
`, __ Turrell,Hall&Associates Inc CLAM BAY CREATED 10-02-18 N/A FILE PATH
Marine&Environmental Consulting JOB NO 9845 N/A e 9M5clanBa sz°'"os_
CHANNELMAINTENANCE TRACKS `"^°�` d
3484 Exchange Ave.Suite B.Naples,EL(23394)164043-437,3322 SHEET: 01 N/A
Email:tuna@BrTell-assn iates.com Phone:(239)643-0166 Fax
--*_ w Agenda item#5d
CoAler County Page 1 of 4
Pelican Bay Services Division
REQUEST FOR QUOTATIONS FOR MULTIPLE PROJECTS UNDER
CONTRACT#15-6397 "Environmental & Biological Studies"
Date: 01/27/2017
From: Lisa Jacob, Project Manager
239-597-1749, Telephone Number
239-597-4502, Fax Number
lisaiacob@colliergov.net
To: All Awarded Vendors on Contract 15-6397— Environmental & Biological Studies
Subject: RFQ#15-6397-2—Clam Bay Environmental Services
As provided in the referenced contract, the Pelican Bay Services Division (PBSD) is soliciting
quotes for the referenced project.
RFQ Due Date: February 22, 2017 at 3:00 PM
Pre-Quote Meeting January 31, 2017 at 2:30 PM at PBSD
Q&A Deadline: February 6, 2017
Number of Days to Completion: 730
Tasks and Specs: Attached "15-6397-2 — Specifications"
Your quotation response for this project is due no later than the date and time specified above. We
will not accept any quotation responses later than the noted time and date. If your firm is unable to
respond electronically, your quotation must be received in the office of the PBSD at the above
referenced address no later than the time and date specified. We look forward to your participation in
this request for information/quotation process.
Firm's Complete Legal Name
Telephone Number/Fax Number
Signature
Title
Print Name Date
C: Adam Northrup, Procurement Strategist
Pelican Bay Services Division 1801 Laurel Oak Drive,Suite 302 I Naples,Florida 341081 Tel.239-597-1749 Fax 239-597-4502
RFQ 15-6397—2
Page 1 of 4
Agenda item#5d
Page 2 of 4
QUOTE 15-6397-2—SPECIFICATIONS
CLAM BAY ENVIRONMENTAL SERVICES
Purpose and objectives:
The overarching goal of the Clam Bay NRPA Management Plan is to establish the basis for
management activities that will be undertaken to protect the health of the Clam Bay Natural Resource
Protection Area(NRPA) estuary. Specific information regarding the Clam Bay NRPA Management
Plan, Clam Bay permits, annual reports,maps, etc. is posted at:
http://pelicanbayservicesdivision.net/rfg2clambayactivities.html
The purpose of this request for service is:
1. Maintain and protect the native floral and faunal communities
2.Ensure estuary has adequate tidal and freshwater flows to maintain ecological health
3. Maintain water quality
4. Monitor archaeological sites
5. Ensure recreational activities are environmentally compatible
Scope of Services:
BASE BID—Provide pricing for two (2)years for tasks 1 — 11 in the compensation schedule below
and sum the totals in line 12. The quote will be awarded to the responsive quoter, with the lowest
line 12 total.
Task I -Mangrove monitoring(Lump Sum)
• Bi-annual monitoring(March& September)of at least nineteen(19)existing plot
locations (see Figure 3).
• Observations, data, and recommendations from this task should be included in the annual
report(Task XI).
Task II -Exotic and nuisance vegetation monitoring(Lump Sum)
• Annual inspection of NRPA (see Figure 2) including berms,boardwalks, and waterway
areas to identify Category I and II invasive plant species as defined by the Florida Exotic
Pest Plant Council.
• For the purposes of obtaining exotic and nuisance vegetation removal quotes, contractor is
expected to provide project manager with a GIS map of identified areas where Category I
and II invasive plant species are found and recommend methods and frequency for
treatment and removal (see Figure 8).
• Observations, data, and recommendations from this section should be included in the annual
report(Task XI).
RFQ 15-6397—2
Page 2 of 4
Agenda item#5d
Page 3 of 4
Task III Coastal Scrub and Cabbage Palm Hammock monitoring(Lump Sum)
• Annual monitoring of four(4) existing plots (see Figure 4).
• Observations, data, and recommendations from this section should be included in the annual
report(Task XI).
Task IV- Seagrass monitoring(Lump Sum)
• Annual monitoring of six (6)existing transects (see Figure 5).
• Observations, data, and recommendations from this section should be included in the annual
report(Task XI).
Task V-Protected species monitoring(Lump Sum)
• Annual identification of floral and faunal species and associated habitats(see Tables 2 & 3).
• Annual identification of gopher tortoise burrows (see Figure 7).
• Obtain Collier County sea turtle nesting data from appropriate County division.
• Observations, data, and recommendations from this section should be included in the annual
report(Task XI).
Task VI-Recreational facilities monitoring(Lump Sum)
• Bi-annual inspection of 32 canoe trail markers. Inform project manager of any damages.
• Observations, data,and recommendations from this section should be included in the annual
report(Task XI).
Task VII -Archaeological sites monitoring(Lump Sum)
• Annual inspection of three (3) archaeological sites for signs of disturbance (see Figure 18).
• Observations, data, and recommendations from this section should be included in the annual
report(Task XI).
Task VIII -Hand-dug channels inspection&maintenance (Lump Sum)
• Annual pre-clearing(March) and post-clearing (April or prior to start of rainy season)
inspections of existing hand-dug channels (see Figures 13, 14, 15, & 16).
• For the purposes of obtaining quotes and hiring contractor to perform maintenance clearing
work, inform project manager of troubled areas.
• Observations, data, and recommendations from this section should be included in the annual
report(Task XI).
Task IX -Water level monitoring(Lump Sum)
• Quarterly monitoring of three(3) groundwater level devices at existing well point
locations (see Figure 9). Devices shall be provided and maintained by contractor.
• Obtain site-specific rainfall data from Club Pelican Bay
• Observations, data, and recommendations from this section should be included in the annual
report(Task XI).
RFQ 15-6397—2
Page 3 of 4
Agenda item#5d
Page 4 of 4
Task X—Tidal Gauges Station Maintenance (Lump Sum)
• Twenty(20)trips annually as needed to four(4)tidal gauges stations (see Tidal Gauges
Stations map)to maintain equipment,reset modems, check or replace batteries, clean solar
panels, etc. Probes at each station should be removed on a quarterly basis for cleaning then
reinstalled promptly.
• Observations, data, and recommendations'from this section should be included in the annual
report(Task XI).
Task XI-Annual Clam Bay monitoring report and presentation(Lump Sum)
• Provide annual Clam Bay monitoring report to project manager by December 15 of each year.
• Prepare and present to the PBSD Board an annual Clam Bay monitoring report detailing
the state of the system for the monitoring period.
Compensation:
Task Description Unit of Measure Price
l Mangrove Monitoring Lump Sum $
2 Exotic and Nuisance Vegetation Monitoring Lump Sum $
3 Coastal Scrub and Cabbage Palm Hammock Lump Sum $
4 Seagrass Monitoring Lump Sum $
5 Protected Species Monitoring Lump Sum $
6 Recreational Facilities Monitoring Lump Sum $
7 Archaeological Sites Monitoring Lump Sum $
8 Hand-dug Channels Inspection and Maintenance Lump Sum $
9 Water Level Monitoring Lump Sum $
10 Tidal Gauges Station Maintenance Lump Sum $
11 Annual CIam Bay Monitoring Report and Presentation Lump Sum $
12 Total $
ALTERNATE BID - Provide a time and materials amount in line 13 for two (2) years for the various
services described below. The price entered in line 13 is not included in the award formula.
Task XIII - General and Miscellaneous Services(Time and Materials)
• General consulting services as requested.
• Attendance at monthly PBSD Board and Committees meetings, and/or Board of
County Commissioners' meetings as requested.
• Coordination of permitting activities to include pre-application meetings, application
preparation and submittals, and post-issuance reporting.
• Monitoring activities in excess of the number of included events.
Alternate Bid:
Task Description Unit of Measure Price
13 General and Miscellaneous Services Time and Materials $
RFQ 15-6397—2
Page 4 of 4
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Agenda item#6d
Page 1 of 1
Locher Proposal
EnvironmentalDate Quote#
www.locherenv.com
752 Commerce Drive Suite#3 Venice, FL 10/9/2018 2023
34293
Bill To Address Ship To Address
Collier County/ BOCC Pelican Bay Services Division
Accounts Payable Attn: Lisa Jacob
3299 Tamiami Trail E.Ste 700 801 Laurel Oak Dr, STE 302
Naples, FL 34112-5749 Naples, FL 34108
P = o
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Marker 26: 166.166.151.164:3001
Marker 32: 166.166.151.163:3001
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Returns: shipping charges associated with the order.
*Customer is responsible for all applicable sales tax unless exempt. Final sales tax Total: $2,193.12
payable will be accessed at the time of invoicing. If exempt from sales tax,your
certificate must be submitted at the time of submitting your order.All services
provided are custom, and therefore are considered taxable.
FOB: Factory, PP&A Locher Environmental Technology, LLC
Quote Validity: 60 Days 752 Commerce Dr. Suite#3 Venice, FL 34293
Federal ID: 59-3759481 Phone: (941)483-3000
Fax: (443)347-0534
kevin@locherenv.com
Agenda item#7a
4350 West Cypress Street Page 1ooA7.esassoc.com
Suite 950
Tampa,FL 33607
813.207.7200 phone
813.207.7201 fax
memorandum
date November 5, 2018
to Tim Hall, Turrell, Hall and Associates, Inc.
from David Tomasko, Ph.D.
Emily Keenan, M.S.
subject Quarter 3: Clam Bay NNC SSAC evaluation
Background
The United States Environmental Protection Agency and the Florida Department of
Environmental Protection Agency (FDEP) adopted site specific alternative nutrient criteria
(SSAC) for Clam Bay, as listed in Florida Administrative Code (FAC) 62-302.531. The SSAC
were derived based upon a nutrient: salinity relationship from the Estero Bay Wetlands, a
reference waterbody for water quality, as established by FDEP in prior TMDLs. The SSAC for
Clam Bay is considered in the context of specific conductance, which is directly related to
salinity. The reason for this is that nutrient concentrations vary with the amount of freshwater
influence, even in watersheds with no human impacts. The Clam Bay NNC criteria are
constructed in such a manner that changes in nutrient concentrations that are likely due to
variation in rainfall alone are identified, so that the focus can remain on changes in nutrient
concentrations due to sewage spill
Based on prior work that showed that phytoplankton growth in Clam Bay was likely stimulated
by both Total Nitrogen (TN) and Total Phosphorous (TP), both TN and TP are used to
determine the degree of nutrient enrichment of Clam Bay's waters. As outlined in FAC 62-
302.531, water quality status is determined on an annual basis, preferably within a calendar
year. Within a calendar year, each individual TN and TP value collected within the waterbody
is compared to the nutrient: conductivity 90th percentile prediction limit (Figure 1), and an
annual percent exceedance is calculated to determine the magnitude of exceedances per
year. To be consistent with the method currently implemented by FDEP to identify impaired
water bodies, if 13 percent or more of the TN or TP values in a calendar year exceed the 90th
percentile prediction limit (after being normalized for conductivity) the duration of exceedance
is then determined. Based on the duration of exceedance (one year or greater than one year),
the outcome designation is assigned. If fewer than 13 percent of the values exceed the 90th
percent prediction limit, then the outcome is "0". If the magnitude (i.e., 13 percent) and duration
(i.e., less than 1 year) of the exceedances are deemed small, the outcome is "1". If the
magnitude or duration of the exceedances is large, then the outcome is "2". If both the
Agenda item#7a
Page 2 of 7
magnitude and duration of the exceedances are large, then the outcome is "3". The
management response for Clam Bay would be determined based on the outcomes assigned to
both the TN and TP evaluations for the magnitude and duration of exceedance (Figure 2).
The water quality status of Clam Bay would be assigned a green, yellow, or red designation
annually based on the magnitude and duration of exceedances of the 90th percent prediction
limit. The color designation is then used to determine what level(s) of management actions are
appropriate.
Annual management response actions are based on the response to nutrient concentrations of
phytoplankton and dissolved oxygen (DO) as well as impacts on water clarity (Figure 3). If the
outcome of the TN and TP evaluation is green, then no management actions are required.
However, if the outcomes are yellow or red then further evaluation of the effect of elevated
nutrient concentrations on both phytoplankton biomass and DO concentrations need to be
reviewed. If there is no relationship between nutrients and chlorophyll-a or DO, then no
management actions are required. If there is a signification relationship, then the impact of
chlorophyll-a on the water clarity (Secchi disk depth) would be evaluated. If there is no
relationship between chlorophyll-a and water clarity, then no management actions are
required. If there is a significant relationship between chlorophyll-a concentrations and water
clarity, an outcome designation of"yellow" (indicative of small magnitude or duration of
exceedances) identifies that management actions should be taken to identify the potential
causes and responses for the elevated nutrient levels. It the outcome designation is "red"
(indicative of a large magnitude or duration of exceedances), management actions should be
taken to implement recommended response tactics to reduce nutrient concentrations. In this
manner, the "health" of Clam Bay is to be assessed annually.
Figure 1. Clam Bay water quality flow chart.
Do .1.3%of all TN War TP
values from a calendar year
No I exceed the 90%prediction limit
from the reference W8ID?
Out(omeil Yes
Magnitude of ?15°!0
exceerlance
Duration of Duration of
exceedance exceedance
1 year >1 year 1 year < >1 year
flutcmel Outcome Outcome 2 Outcome3
2
Agenda item#7a
Page 3 of 7
Figure 2. Management response matrix using outcomes from both TN and TP
evaluation.
Total Phosphorus
Total Nitrogen Outcome 0 Outcome I Outcome 2 Outcome 3
Outcome 0
Outcome I
Outcome 2
Outcome 3 s3
Figure 3. Management response actions in response to various outcomes.
GreenRes once Yellow or Red
evaluation
•t x
{
Evaluate phytoplankton/ significant
dissolved oxygen (p<O.05)
Not significant response to nutrient
( '0.o5) concentrations
Evaluate water clarity
Not significant response to chlorophyll-a
(i,o.OS)
Significant(p<®.05)
Small difference or
short duration
identify potential causes
and implementIdentify potential
Large difference or causes a n r
recommended response long duration responses
3
Agenda item#7a
Page 4 of 7
Data Analysis
The analysis conducted below was used to assess the water quality status of Clam Bay during
the months of May 2018 to July 2018. Since, the SSAC developed for Clam Bay is to be
evaluated on an annual time step, this analysis provides insight into current water quality
conditions within the Bay, but it does not substitute for the more comprehensive annual
assessment required. Clam Bay surface water quality data were provided by Turrell, Hall and
Associates, Inc. for comparison with the FDEP adopted SSAC established for Clam Bay and
found within FAC. 62-302-532 -1-j. The NNC SSAC states the following;
"No more than 10 percent of the individual Total Phosphorus
(TP) or Total Nitrogen (TN) measurements shall exceed the
respective TP Upper Limit or TN Upper Limit."
The TP and TN upper limits are calculated using equations 1 and 2:
Equation 1: TP Upper Limit (mg/L)= e(-1.06256-0.0000328465*Conductivity(us))
Equation 2: TN Upper Limit (mg/L)= 2.3601 — 0.0000268325*Conductivity(pS)
The dataset was supplemented with in situ water quality data (e.g., temperature, dissolved
oxygen, pH, conductivity, and salinity) retrieved from the chain of custody forms for each
sampling event. The corresponding TN or TP Upper Limit was calculated for each Clam Bay
estuarine water quality station and sampling date in which conductivity was available using
Equations 1 and 2. TN and TP concentrations were compared to the derived upper limit
thresholds to ascertain if elevated concentrations were identified (Appendix A).
Results
Over the period analyzed in this memo (May 2018 to July 2018), there were nine TN
measurement from the open waters of Clam Bay (from the 9 ambient water quality stations
sampled three times each) which exceeded the respective Upper Limits. In the prior quarter
report, there was one TN value which exceeded respective TN Upper Limit. In terms of
nitrogen, it does not appear that the open waters of Clam Bay are problematic, at least for the
period of February to July of this year.
In regards to TP, 17 of the 27 measurements (63 percent) exceeded their respective Upper
Limits. This frequency of occurrence exceeds the 13 percent threshold shown in Figure 1,
which means that for this quarter, phosphorus concentrations appear to be problematic. The
majority of exceedances occurred during the May and July 2018 sampling events (with 5 and 9
exceedances, respectively).
The 17 TP exceedances are illustrated in Table 1. Of particular interest is the finding that every
single site exceeded TP criteria in July. In regards to TN, exceedances were observed in May
and July as shown in Table 2.
4
Agenda item#7a
Page 5 of 7
Table 1. Observed TP Exceedances (marked with an "X") at the ambient Clam Bay
surface water sample sites over the period of November 2017 to July 2018.
Sampling event
Station Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct
1 X X X X X X X X X
2 X X X X X X X X
3 X X X X X X X
4 X X X
5 XX X X
6 X X X
7 X X X X
8 X
9X X X
Table 2. Observed TN Exceedances (marked with an "X") at the ambient Clam Bay
surface water sample sites over the period of November 2017 to July 2018.
Sampling event
Station Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct
1 X
2 X
3X X
4 X X
5 X
6
7 X
8 X
9 X
The findings of exceedances differ, when comparing TP and TN (Tables 1 and 2, respectively).
For TP, more sites were impaired vs. unimpaired during the months of November 2017,
between March and May 2018, and again in July 2018. Of the 9 months characterized in this
report, 5 of them had TP exceedances in at least half the sites visited. In contrast, only one
month, May 2018, had more than half the sites in exceedance for TN. And there were no
exceedances of TN criteria during the first five months covered (November 2017 to March
2018).
In addition to sampling the open waters of the Clam Bay system, water quality data from six of
the Clam Bay Outfall monitoring stations were compared to the proposed downstream
protective values (DPV) for Clam Bay (PBS&J 2011). Outfall TN and TP concentrations were
compared to the median and 90tr' percentile DPV values to look for elevated concentrations
(Appendix B).
The median and 90th percentile DPVs for TN are 1.31 and 1.80 mg/L, respectively (PBS&J
2011). The median and 90th percentile DPVs for TP are 0.10 and 0.25 mg/L, respectively. For
5
Agenda item#7a
Page 6 of 7
TN, 73 and 20 percent of the values exceeded the median and 90th percentile DPV criteria,
respectively, during the months of May through July 2018 (Table 3). It should be noted that a
"median" value represents a value where 50 percent of samples would be expected to be in
exceedance. Similarly, it would be expected by chance alone that 10 percent of values would
exceed the 90th percentile DPV, vs. the 20 percent of TN values that exceeded the 90th
percentile value for results displayed here. For TP, 67 percent of values exceeded the median
DPV criterion, while 20 percent of values exceeded the 90th percentile DPV criterion.
Table 2. Percentage of TN or TP concentrations from outfall stations which exceeded
the median or 90th percentile DPV values for stormwater runoff.
Total Nitrogen - :,;Total Phosphorus
Medea '`94th Percentile _ Median 0th Percentile
of values in excess 73 20 67 20
Discussion
This data analysis is not based on a full calendar year of data, but it is an indicator of the
potential for the Clam Bay system to be determined to be out of compliance with its
established water quality criteria for TP, as outlined in FAC 62-302.531.
As was noted in the 2017 Annual Report, the findings displayed here suggest phosphorus
concentrations in the open waters of Clam Bay are potentially problematic. Within this quarter,
63 percent (17 of 27) of TP values exceeded a threshold value meant to "hold the line" on
nutrient concentrations in the Clam Bay system. In the prior quarter (February to April of 2018)
a similar level of exceedances was found for TP — 56 percent. The pattern for TN is quite
different, with exceedance rates the prior quarter of 4 percent, increasing to 33 percent this
quarter.
At the outfall sampling locations, 20 percent of TP values exceeded a criterion that is expected
to be exceeded 10 percent of the time, while 67 percent of stormwater outfall samples
exceeded a TP threshold criterion that was only expected to be exceeded 50 percent of the
time. Findings for TN at the outfall sampling sites were fairly similar, with 20 percent of TN
values exceeding a value that is expected to be exceeded 10 percent of the time, and 73
percent of samples exceeding a TN threshold that is expected to be exceeded 50 percent of
the time.
These findings suggest that while levels of TN and TP in the stormwater outfalls are somewhat
elevated, they do not match the level of exceedance shown by TP concentrations in the open
waters of the Clam Bay system. This could indicate that elevated TP concentrations, in
particular, might be due to sources other than the watershed. Elevated TP concentrations
could be due to the influence of roosting and/or nesting birds, the large amount of damaged
mangroves and mangrove litter brought into the bay after the passage of Hurricane Irma
(coupled with a lag effect for nutrient remineralization) or other causes. The final report for this
6
Agenda item#7a
Page 7 of 7
12 month monitoring update will examine the potential for sources other than watershed runoff
to be the cause of the identified exceedances of NNC criteria for TP over the past nine months.
7
Agenda item#7b
Page 1 of 1
Total Phosphorus Exceedances
Second Quarter Report
Site Date Lab Value Calculated Upper Limit Difference
5 March 18 0.065 0.063710921 .0012891
6 March 18 0.064 0.062904113 .0010959
9 April 18 0.064 0.062170795 .0018293
Agenda item#7c
Page 1 of 1
Clam Bay Copper ug/L
Collection Date CBI CB2 CB3 CB4 CB5 CB6 CB7 CBS CB9 Report Date
6/22/2016 0.862 0.700 0.700 0.700 1.640 2.100 0.700 3.520 1.510 9/8/2016
7/20/2016 0.924 5.330 5.110 5.660 2.470 3.960 4.950 5.710 10.500 9/12/2016
7/20/2016 0.924 6.160 4.700 1.690 2.470 1.830 1.980 1.870 8.360 9/21/2016
8/25/2016 2.000 1.850 1.680 1.470 1.240 1.520 2.250 1.280 8.060 10/4/2016
9/20/2016 1.690 2.280 1.280 1.760 0.751 0.700 0.700 1.030 0.700 11/22/2016
10/12/2016 2.760 2.200 2.130 1.190 2.900 1.860 1.060 0.954 1.310 12/7/2016
11/9/2016 2.340 3.390 2.300 2.250 1.630 1.500 1.180 2.030 1.300 1/16/2017
12/6/2016 2.330 2.930 5.100 2.450 2.390 1.780 1.270 1.880 1.720 3/14/2017
1/19/2017 2.570 3.560 2.110 1.990 0.818 0.800 0.961 1.110 2.020 4/4/2017
2/23/2017 2.510 3.350 1.600 1.120 0.851 0.848 1.500 2.570 2.600 4/24/2017
3/21/2017 7.970 4.080 1.710 1.120 0.894 0.846 1.080 1.090 0.957 6/1/2017
4/18/2017 6.480 8.160 1.620 1.240 0.800 0.956 1.280 1.010 1.100 6/14/2017
5/24/2017 2.840 4.060 4.990 0.800 0.800 0.959 0.800 0.920 0.946 7/6/2017
6/21/2017 3.840 4.240 3.850 0.906 1.200 1.140 1.260 1.110 0.760 8/8/2017
7/13/2017 4.700 2.950 3.800 4.080 2.500 2.440 2.370 2.380 2.210 8/29/2017
8/14/2017 4.290 3.810 3.220 2.650 1.400 1.220 1.470 1.020 0.700 10/10/2017
10/4/2017 2.680 1.270 0.600 0.800 12.600 1.610 0.600 0.600 1/22/2018
11/28/2017 0.700 0.722 2.540 0.700 0.700 0.700 0.700 0.700 0.700 1/22/2018
12/12/2017 1.780 2.250 1.890 0.700 1.210 1.210 1.300 0.728 0.911 3/26/2018
1/8/2018 0.420 1.510 1.690 1.590 0.800 0.809 0.800 0.800 2.400 4/27/2018
2/6/2018 3.400 3.980 2.130 2.420 0.829 1.640 3.920 0.800 0.800 4/30/2018
3/22/2018 5.450 4.890 3.670 2.370 1.010 1.040 1.750 1.010 1.320 5/11/2018
4/4/2018 2.370 3.190 2.380 1.970 1.690 0.848 1.280 1.250 5.160 6/11/2018
5/8/2018 5.490 4.880 2.360 1.090 0.800 1.050 1.270 1.570 1.640 7/2/2018
6/6/2018 3.120 3.320 2.670 0.800 0.800 0.853 0.828 1.080 1.220 7/18/2018
7/17/2018 1.400 1.440 1.600 1.600 2.270 1.600 1.600 1.600 1.600 8/21/2018
8/15/2018 1.500 1.410 1.400 1.400 1.600 1.600 1.600 1.650 1.600 10/8/2018
9/13/2018 1.720 1.960 1.200 1.200 1.400 1.400 1.400 1.600 1.400 10/9/2018
Agenda item#8
Page 1 of 1
From: CasalanguidaNick
To: NeilDorrill
Cc: CallahanSean; OchsLeo;YilmazHeather;)acobLisa
Subject: Pelican Bay recap
Date: Monday,October 15,2018 1:18:39 PM
Attachments: image001.onq
Neil,
Thank you for coming in today with Lisa. I wanted to recap the meeting so I can assign some taskers
to our staff to keep our ideas moving.
If I missed anything or if I am off a little with my notes, please let me know.
• Maintenance facility
o Goal is to develop a shared use facility master plan before the Christmas break and
move that forward to be construction ready by the fall of 2019
o Sean is going to coordinate a meeting with our facilities team so we establish a work
team that can handle the details as we move forward
• Sidewalks and Drainage
o Goal is to transition the sidewalks and drainage systems outside of the paved right of
way to PBSD
• Sidewalks are pretty straightforward
• Drainage cutoff needs to be refined
o Sean will work with GMD to get you a copy of our drainage outfall plan in the next 30
days
• You need a map of these locations and a spreadsheet identifying them
• These exhibits will be used as a reference document in the transaction
o PBSD was going to work on developing the financial plan
• Clam Bay Management Plan
o This topic is going to be raised at the November PBSD meeting
o Discussion will be had about reviewing historical methods of maintaining the pass with
the more recent methods
o The goal is to try and find common ground with the approach in order to manage
stakeholder expectations with the need for a more sustainable maintenance plan
• We need to avoid the annual emergency dredging as the agencies and the public
are beginning to question the approach
I am going to ask Heather to get us together again in mid-December to maintain momentum on
accomplishing these initiatives.
I also wanted to thank you for working with internal controls and ramping up the QA/QC program.
Respectfully,
Nick Casalanguida
Collier County, Deputy Manager
NickCasalanguida(CollierGov.net
239-252-8383
EOY Budget Analysis - PBSD FY2018
Account 109 is the primary PBSD operating expense account and where the bulk of controllable
expenses and on-going activities are concentrated.... it is the account which should receive the
closest scrutiny from a budget analysis. FY2018 ended with roughly a $675k favorable variance vs.
$400k for FY2017. Account 778 is funded by an ad valorem millage rate which has remained
constant for years and will continue until such time as street lights are replaced. EOY Special Project
analysis is not generally useful, as projects often remain a work in-progress and/or are accrual
projects which would be expected to result in a progressive carry forward balance increases
A Quantitative Analysis of the various line item variances for Account 109 is attached. A
Qualitative explanation would be as follows:
• "Luck of the draw"—some line items are subject to wide fluctuation from year to year. For
example, some funds are normally budgeted for Emergency Maintenance and Repairs, but in
FY2018 we had NO such expenses. County allocated charges are budgeted from Fleet
Maintenance based on prior experience, but we have no control of the amount which is finally
charged. We experienced a favorable variance in the category of Payroll Expense because
we fired a supervisor and went six months without replacement. Savings in Temporary Labor
were produced because we simply could not keep the temp ranks filled due to unavailability of
candidates at wage levels we were authorized to pay. Similar arguments apply for a litany of
other charges such as insurance, printing expense, legal advertising, clerk's recording fees,
etc, nearly all of which happened to break in favorable directions in FY2018
• Some controlled expenses were comingled with IRMA related charges—expenses which
might have normally been incurred within the normal operational budget instead got sweep up
into the IRMA special project account. Examples... some tree trimming, surplus grinding of
horticultural debris, sign replacements, etc.
• Some controlled expenses were consciously suspended as collateral to IRMA repair activities,
but will need continue in future budgets—for example, signage replacement was suspended
resulting in $47k savings
• Some controlled expenses were suspended mid-year for specific reasons. For example, the
temporary suspension of bacteria introduction and chemical spraying in lakes for algae control
was associated with the trials of Blue Tilapia as an alternative— nearly $110k in savings
• Budgeted payment for Sharrow painting was withheld from the contractor
• Savings associated with in-house mulch production materialized but had not been budgeted
because of various unknowns at the time the budget was assembled
• Savings associated with the installation of an advanced irrigation system materialized but had
not been budgeted - $40k in irrigation water alone
• Some savings were involuntary—for example tree trimming which was appropriate could not
be completed because approved suppliers were not able to respond
The Budget Committee will examine these and other expense lines going forward to help in
fine tuning subsequent budget
•
PBSD FY2018 Budget - Preliminary EOY Analysis -Account 109
Explained Variances
Description Variance Comments
Luck of the Draw- Water Management-Admin
Payroll $2,917
Emergency Matls $3,500
IT Automation $66
Telephone $2,375
Postage $188
Rent-Buildings& Equip $770
Printing/Binding $1,637
Clerk's Fees $536
Legal $838
Other Office Supplies ($473)
Tuition Reimbursement $1,633 No Tuition Program Activity
Luck of the Draw- Water Management-Field
Payroll $983
Plan Review $300
Temp Labor $6,835 Inability to secure Temp Labor
Cell Phone $89
Trash &Garbage $3,848
Motor Pool ($38)
Building Repair $14
Fleet Maintenance $8,006 County Charge Back- no control
Fuels& Lubricants $77
Tree Trimming ($608)
Clothing & Uniforms ($347)
Personal Safety Equip $92
Misc Repairs/Maint ($4,864)
Other Supplies ($3,137)
Luck of the Draw-Beautification-Admin
Payroll $2,925
Emergency Maintenance $4,413
Other Contractual Services $11,430 Budget patrols at$15k, only billed $3570
Telephone $2,292
Postage $927
Building Rent/Storage $683
Pringing $1,813
Clerk's fees ($48)
Legal/Advertising $805
Office Supplies ($164)
Tuition Reimbursement $4,943 No Tuition Program Activity
Luck of the Draw-Beautification-Field
Payroll $109,796 Missing Supervisor Salary/Benefits
Emergency Maintenance $3,300
Pest Control $1,000
Landscape Incidentals $2,141
Temp Labor $51,948 Inability to secure Temp Labor
Cell Phone $1,746
Motor Pool $200
Equip Rental $1,200
Building Repairs ($626)
Fleet Maintenance $1,729 County Charge Back- no control
Fuels&Lubricants $1,660
Licenses, Permits, etc $771
Clothing & Uniforms $4,707
Personal Safety Equip $1,985
Painting Supplies $500
Minor Operating Equip $4,476
Other Operating Supplies $156
Total "Luck of the Draw" Expenses $241,946
Other Explained Variances
Reclaimed Water $39,102 Savings from new irrigation system(s)
Irrigation Maintenance $6,525 Savings from new irrigation system(s)
Electricity $6,360 Savings from new irrigation system(s)
Total Irrigation Savings $51,987 R/W- Field
In House Mulch Generation
(Dumpster) $13,684 No horticultural disposal- R/W Trash/Garbage
(Grinding) ($14,865) Excess IRMA material grinding
Sharrow Payment Withheld $4,658 R/W-Road &Pathway Repairs
Traffic Signs $47,000 Sign Replacement suspended due to IRMA
Tree Trimming $39,635 Supplier Limitations/some IRMA posting
Landscape Materials $98,687 OMB budget increase (to balance) - R/W Field
Lake Algae Treatment Savings $108,100 Blue Tilapia in lieu of Bacteria and Chemicals
US 41 Berm Design ($24,785) Goetz/ABB design/survey work
TOTAL EXPLAINED VARIANCE $566,047
Unexplained Variances
Description Variance Comments
Water Mgt-Admin $11,632 Other Contractual Services
Water Mgt-Field $50,615 Flood Control Berm & Swale
($27,789) Flood Control - Littorals
$10,916 Flood Control -Water Quality Testing
$3,500 Flood Control -Water Test Supplies
($13,646) Interdepartmental -Water Quality Lab
$9,893 Other Contractual Services
Beautification -Admin $1,803 Other Contractual Services, net of patrols
Beautification - Field $63,261 Fertilizer& Herbicides
TOTAL UNEXPLAINED VARIANCE $110,185
Total Examined Variance $676,232 (vs. reported as$676,234-rounding errors)
Pelican Bay Services Division Clam Bay Committee Meeting
January 4,2018
Mr. Sterk commented that he is working with Ms. Jacob to develop the specifications for
the waterway debris removal project.
CONTRACT FOR DEBRIS REMOVAL FROM HAND-DUG CHANNELS
Mr. Sterk commented that the specifications for the hand-dug channel debris removal
project will be developed subsequent to the completion of the waterway debris removal project.
CONTRACT FOR HAND-DUG CHANNEL MAINTENANCE
Mr. Stork commented that the specifications for the hand-dug channel maintenance
project will be developed subsequent to the completion of the hand-dug channel debris removal
project.
CONTRACT FOR EXOTIC MAINTENANCE ALONG WEST SIDE OF BERM
AND IN COASTAL SCRUB
Mr. Sterk commented that the project for exotic maintenance along the west side of the
berm and in coastal scrub is out for bid and due back in two weeks.
SAFETY TRIMMING ALONG NORTH BOARDWALK
Mr. Bolick commented that his staff has completed the safety trimming of vegetation
along the north boardwalk.
CANOE TRAIL MARKER 12
Mr. Sterk commented that he will follow up with the County on reinstallation of Marker
12, which was uprooted by hurricane Irma.
CLAM PASS
H&M ANNUAL REPORT
Dr. Mohamed Dabees, consultant with Humiston & Moore, provided and reviewed the
2017 Clam Pass Physical and Tidal Monitoring Report. Highlights of the report included the
following:
• Conditions at Clam Pass are stable but critical,and will continue to be monitored.
• An interim spring survey is recommended, if conditions remain as they are now,to assess
the inlet prior to the tropical storm season.
• Ms. O'Brien suggested discussing a plan to avoid an "emergency dredge." Dr. Dabces
commented that although an emergency camiot be preplanned, he suggested
contingencies be put in place to prevent a two month delay in emergency corrective
action(dredging), if required, as occurred in 2017. Dr. Dabees commented that the Clam
Pass Management Plan states that dredging or any intervention is a last resort.
Mr. Don-ill commented that per a discussion held last summer, the County Manager is not
willing to provide a "reserve" appropriation from the TDC, in case an emergency dredge is
required. Mr. Dorrill suggested making an educational presentation to the TDC on Clam Pass,
including how conditions can change quickly.
Mr. Sterk suggested putting out an RFP to prcqualify dredging contractors.
12/20/17 CLAM PASS AERIAL PHOTOS
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Pelican Bay Services Division Clam Bay Committee Meeting
March 8,2018
• Obtain drone photos of nesting bird colonies in Upper Clam Bay which may be
contributing to high phosphorus levels.
• Continue with CII2M Hill water quality reports.
• Mr. Hall will prepare a proposal for selective sediment testing in Upper Clam Bay, in
order to determine whether high copper levels are basin 4 sourced.
• Mr. Sterk's sediment testing results from last year will be reviewed for comparison to
this year's results.
COPPER RESULTS FOR NOV.2017
Ms. O'Brien commented that the November 2017 copper results looked good.
UPDATE ON WIN ENTRY
Ms. Jacob will contact the Collier County lab to determine when the lab expects to begin
WIN entry for Clam Bay data.
CLAM PASS
FEBRUARY TIDAL RATIO REPORT
Dr. Mohamed Dabees, consultant with Humiston & Moore, commented that the January
and February 2018 tidal ratios are below the critical threshold, which has triggered a bathymetric
survey to be completed.
TIMELINE FOR DREDGING-RELATED ACTIVITIES
Dr. Dabees commented on the potential for a Clam Pass dredging project within the next
few months and highlighted the following:
• The Clam Bay Management Plan protocols are being followed.
• A bathymetric survey of sections A,B,&C has been completed.
• The quantities of sand identified in the bathymetric survey will determine the need for a
dredging project;exceeding a specified sand threshold is required to justify a project.
• A decision to dredge will immediately be shared with Mr. Dorrill, the PBSD board, and
the County.
• A dredge decision will trigger a shore bird survey to be completed by Mr. Sterk and the
preparation of dredge construction plans to be completed by Dr. Dabees.
Ms. O'Brien requested that Mr. Dorrill provide the PBSD board with a timely decision
update and the timing of when construction plans will be available for board approval.
CLAM BAY
UPDATE ON DEBRIS REMOVAL/HAND-DUG CHANNEL MAINTENANCE
Ms. Jacob commented that the PI3SD is planning to determine from FEMA which areas
of Clam Bay, including the berm, hand-dug channels, and the waterways will be eligible for
FEMA reimbursement for debris removal. Based on this determination, the PBSD, with the
assistance of our FEMA consultant, will bid out the entire debris removal project. The debris
removal and maintenance()Idle hand-dug channels will be completed at the same time.
CANOE TRAIL MARKER 12
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