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Army Corps Slightly Decreases Lake Okeechobee Releases to the Caloosahatchee

Lake Okeechobee release dam.jfif
Photo courtesy U.S. Army Corps of Engineers
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West coast scientists expect fish spawn to be happening soon, followed by oysters, and a reduction in flows may help. East Coast scientists report favorable conditions in the St. Lucie Estuary, including seeing new seagrass beds in areas where they had not previously been found.

Lake Okeechobee-April 2, 2022: The U.S. Army Corps of Engineers (USACE) Jacksonville District slightly decreased Lake Okeechobee releases to the Caloosahatchee on Saturday, April 2 to support the ecology of the estuary.

The adjusted releases to the Caloosahatchee Estuary target a pulse release at a 7-day average of 1,800 cubic feet per second (cfs) from the W.P. Franklin Lock and Dam (S-79). This represents a slight reduction from the level of 2,000 cfs that has continued since November of 2021.

The initial releases are expected to range from 1,000 cfs to 2,500 cfs for short durations of time during operating hours, between 7 a.m. and 5 p.m. The releases are not expected to impact the targeted releases at W.P. Franklin Lock and Dam (S-79).

As of last Friday, the lake stage was at 13.78 feet. The lake has receded 0.74 feet in the past 30 days, is 0.66 feet lower than it was last year and 1.9 feet higher than two years ago.

“Our west coast scientists and stakeholders report that the conditions in the Caloosahatchee Estuary have been really favorable and within the RECOVER optimal flow regime for 125 days, which is good news,” said Lieutenant Colonel. Todd Polk, Deputy Commander for South Florida. “In addition, they expect fish spawn to be happening soon, followed by oysters in the next month or two, and a reduction in flows soon may help to optimize conditions for those events.”

READ the USACE release on their website at : https://www.saj.usace.army.mil/Media/News-Releases/Article/2985944/usace-adjusts-lake-okeechobee-releases-to-caloosahatchee/

“East coast scientists also report favorable conditions in the St. Lucie Estuary, including seeing new seagrass beds in areas where they had not previously been found,” said Polk. “Lake Okeechobee is also in a great spot within the ecological envelope this year, and we are seeing an abundance of wading birds.”

In addition, the Jacksonville District plans to help facilitate sediment sampling at the Julian Keen, Jr. Lock and Dam (S-77) on April 5 and 6. as part of an ongoing study by our partners at the South Florida Water Management District (SFWMD) and the U.S. Geological Survey (USGS).

For more information on water level and flows data for Lake Okeechobee, visit the Corps’ water management website at: www.saj.usace.army.mil/Missions/CivilWorks/WaterManagement.aspx.