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spring) at the Iona Cove and Bird Island sites. Oyster
densities increased at both sites in WY2022, especially
during the dry season. Thalassia testudinum
Watershed
CALOOSAHATCHEE RIVER WATERSHED
PROTECTION PLAN HIGHLIGHTS
Advancing Watershed Construction Projects
Lake Hicpochee Hydrologic Enhancement Phase II:
Multi-phase project to enhance hydration of the
historic Lake Hicpochee lakebed through storage and
water quality improvements. Phase II includes a new
2,200-acre flow equalization basin (FEB), pump station
to withdraw from the C-43 Canal, and associated
connections to Phase I of the project. Construction
begins this year, and the project will be operational
in 2026.
Boma FEB & Water Quality Treatment Technology
(WQTT) Phase II Test Cells: The 1,800-acre Boma FEB
will expand regional storage in the Caloosahatchee
River Watershed and store excess runoff to reduce
harmful releases to the Caloosahatchee Estuary.
Construction begins this year, and the project will be
operational in 2026. The WQTT Phase II project includes
interconnected test cells to evaluate the effectiveness
of constructed wetland treatment in reducing nitrogen.
Construction will begin this year and the project will be
operational in 2024.
INCREASING WATER STORAGE IN THE CALOOSAHATCHEE RIVER WATERSHED
Progress Towards Water Quality and Storage Goals
Three projects were operational in WY2022 and provided approximately:
• 8,800 ac-ft of storage
• 2 metric tons Total Phosphorus retention
• 27 metric tons Total Nitrogen retention
Northern Everglades Request for Proposals: In 2022, the SFWMD
Governing Board authorized staff to negotiate two new projects
in the Caloosahatchee River Watershed.
Total flow into the Caloosahatchee Estuary was 1.998 million ac-ft in
WY2022, 10% lower than WY2021.
Total Nitrogen loading to the Caloosahatchee Estuary in WY2022 was
3,074 metric tons; 17% lower than WY2021 and bringing the 5-year
average to 3,578 metric tons.
Oyster densities were measured biannually (fall and spring) at the Iona
Cove and Bird Island sites. Oyster densities increased at both sites in
WY2022, especially during the dry season.
Submerged aquatic vegetation (SAV) in the upper and middle
estuary remained low in WY2022. The lower estuary had substantially
greater spatial extent, abundance, and diversity of seagrass with
Thalassia testudinum the most prevalent in WY2022 (below).
sahatchee River Watershed Protection Plan Highlights
Progress Towards Water Quality and Storage Goals
Three (3) projects were operational in WY2022 and
provided approximately:
• > 8,800 acre-feet of storage
• > 2 metric tons total phosphorus retention
• > 27 metric tons total nitrogen retention
Northern Everglades Request for Proposals:
In 2022, the SFWMD Governing Board authorized staff to
negotiate up to two new projects in the Caloosahatchee
River Watershed.
GOAL = 400,000
WY2022 = 8,860
Units = acre-feet
,383
3,074
c tons
gen (TN)
m Daily Load Total Storage
he Caloosahatchee River Estuary was
re-feet (ac-ft) in WY2022, 10% lower
ading to the Caloosahatchee Estuary in
074 metric tons (t); 17% lower than
ging the 5-year average to 3,578 t.
atic vegetation (SAV) in the upper and
remained low in WY2022. The lower
ubstantially greater spatial extent,
diversity of seagrass with Thalassia
ost prevalent in WY2022 (right).
Thalassia Testudinum. (Photo by SFWMD)
What is a FEB?
Flow equalization basins (FEBs) are
constructed impoundments designed to
capture water. They can provide a steadier
flow of water to STAs, helping to maintain
desired water levels needed to achieve
optimal water quality, improve performance
and prevent dry out, which can be
extremely damaging to STA vegetation.
2023 SOUTH FLORIDA ENVIRONMENTAL REPORT – Highlights 18
REQUIRED REPORTING
FULFILLED BY 2023 SFER
The Florida Statutes (F.S.) contain specific reporting
requirements that the SFER fulfills.
Consolidated Water Management District Annual Report
373.036(7), F.S., requires a consolidated report on the
management of water resources be submitted annually.
The 2023 SFER fulfills this requirement for SFWMD.
Volume I
• Appendix 1-2 provides the Everglades restoration report.
• Appendix 1-3 provides the Everglades Trust Fund
expenditure report.