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Brady Ranch & Grassy Island: Two flow equalization basins
(FEBs) located on District-owned properties that will capture
peak stormwater flows and assist in hydrating adjacent STAs
for improved nutrient removal. Design is underway and
construction is expected to commence in 2025.
S-191 Innovative Technology Treatment: Nutrient load reduction
project to remove phosphorus from the S-191 Basin before it
enters Lake Okeechobee. Design was recently completed, and
the project is expected to be operational in 2023.
Kissimmee Headwaters Revitalization Schedule: Continued
development of the revised regulation schedule is for the
restored portion of the Kissimmee River. Final schedule is
anticipated in 2026.
Taylor Creek Nubbin Slough (TCNS) 214 Storage and
Treatment: Capture and attenuate excess stormwater from
Williamson Ditch into a shallow water storage feature.
Planning and design began in 2022.
El Maximo Ranch Property. (Photo by SFWMD)
Lower Kissimmee Basin STA
2022 Highlights of the Lake Okeechobee Watershed Construction Project
What are Canals?
Canals are a system of human-made trenches used for
the movement of water.
Taylor Creek Nubbin Slough (TCNS) 214
2023 SOUTH FLORIDA ENVIRONMENTAL REPORT – Highlights 16
St. Lucie River Watershed Protection Plan Highlights
Research & Monitoring Results
Ecological
C Conditions
WY2022
Results
Change from
WY2021
Submerged Aquatic Vegetation
Dry Season Abundance
Wet Season Abundance
0.25
0.27
308%
30%
Live Oyster Densities
(oysters per square meter)
Dry Season
Wet Season
268
286
42%
98%
% of the year in optimum
salinity range for oysters 79% 24%
Hydrologic
C Conditions
WY2022
Results
Change from
WY2021
Rainfall (inches) 46 33%
Lake Discharges (ac-ft) 0 198,000
Total Discharges (ac-ft) 598,000 617,000
Total Phosphorus Loading (t) 115 66%
Total Nitrogen Loading (t) 783 58%
WY2022 Results – St. Lucie Estuary
Oysters in the Indian River Lagoon.
SLRRWQMP extensive monitoring network.
Water monitoring platform at DuPuis Management Area.
ST. LUCIE RIVER WATERSHED PROTECTION PLAN HIGHLIGHTS
Research & Monitoring Results
WY2022 RESULTS – ST. LUCIE ESTUARY
SLRRWQMP extensive monitoring network
Water Monitoring Platform at DuPuis Management Area. (Photo by SFWMD) Oysters in the Indian River Lagoon. (Photo by SFWMD)
2023 SOUTH FLORIDA ENVIRONMENTAL REPORT – Highlights Caloosahatchee R17
Progress ToIncreasing WaterGWGOAL = 1,383
WY2022 = 3,074
Units = metric tons
Total Nitrogen (TN)
Total Maximum Daily Load Total flow into the Caloosahatchee 1.998 million acre-feet (ac-ft) in WYthan WY2021.
Total Nitrogen loading to the CaloosaWY2022 was 3,074 metric tons (t)WY2021 and bringing the 5-year averaSubmerged aquatic vegetation (SAVmiddle estuary remained low in Westuary had substantially greateabundance, and diversity of seagratestudinum the most prevalent in WY2Oyster densities were measured bspring) at the Iona Cove and Bird Idensities increased at both sites in Wduring the dry season. Caloosahatchee River Watershed PProgress Towards Water QualitThree provid• > 8• > 2 • > 2NorthIn 202negotRiver Increasing Water Storage in the CaloosahaGOAL = 400,000
WY2022 = 8,860
Units = acre-feet
GOAL = 1,383
WY2022 = 3,074
Units = metric tons
Total Nitrogen (TN)
Total Maximum Daily Load Total Storage
Total flow into the Caloosahatchee River Estuary was
1.998 million acre-feet (ac-ft) in WY2022, 10% lower
than WY2021.
Total Nitrogen loading to the Caloosahatchee Estuary in
WY2022 was 3,074 metric tons (t); 17% lower than
WY2021 and bringing the 5-year average to 3,578 t.
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 (right).
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. ThalassIncreasing Water Storage in the Caloosahatchee River Watershed
Oyster densities were measured biannually (fall and