Minutes 09/06/2018 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
7TMr.Hirniak motioned,Ms. O'Brien seconded to approve the agenda as presented.
he 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 station 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 WQ 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 and 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.
0-173A4j1
Susan O'Brien, Chairman
Minutes approved [ 1 as presented OR [ V J as amended ON [ /0 /( 1 date
4