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LDWF Schedules Drawdown for Lake Bistineau

The Louisiana Department of Wildlife and Fisheries has scheduled a drawdown of Lake Bistineau in Webster, Bossier and Bienville parishes for the purpose of reducing further expansion of giant salvinia. The drawdown will additionally benefit fisheries production by improving aquatic habitat and reducing the amount of organic matter on the lake bottom.

LDWF has requested the Department of Transportation and Development open the water control structure on July 6. Once the water control structure is open, the lake should dewater at a rate of 4 to 6 inches per day until it reaches a potential maximum drawdown level of 8 feet below pool stage. This dewater rate could be impacted, however, by local rainfall in the surrounding watershed. During the drawdown, the department will monitor aquatic habitat conditions to determine the best time to conclude the drawdown and allow the lake to refill for early spring recreational activities.

During the drawdown, an estimated 10,000 acres of water will remain in the lake. Boaters can still access the lake during the drawdown from the following public boat launches: Port of Bistineau Launch, Bossier Public Launch, Grice’s, and Bayou Dorcheat Public Launch. Boaters are advised to use caution during the low water period, as boat lanes will not provide normal clearance of underwater obstructions.

Throughout the drawdown, we will continue to conduct our regular efforts to control salvinia, including herbicide application and weevil stocking in strategic locations as conditions warrant.

The drawdown is a necessary component of LDWF’s integrated management plan to control overabundant aquatic vegetation growth and to improve the Lake Bistineau sport fishery. An annual cycle of high and low water fluctuation can provide beneficial effects similar to a natural overflow lake system. Herbicide applications will continue during the drawdown period. The Lake Bistineau Waterbody Management Plan can be viewed at: https://www.wlf.louisiana.gov/resources/category/freshwater-inland-fish/inland-waterbody-management-plans.

For additional information regarding the drawdown, contact Jeff Sibley, LDWF Biologist Manager, at jsibley@wlf.la.gov or 318- 371-3066.