Drawdown planned at northwestern Louisiana’s Lake Bistineau to fight invasive weed

SHREVEPORT, Louisiana — The Louisiana Department of Wildlife and Fisheries plans a drawdown on northwestern Louisiana’s Lake Bistineau, hoping to stop the spread of giant salvinia, an invasive aquatic weed. Control gates will be used to lower the level by about 4 to 6 inches per day. The lowering will not exceed 7 feet below normal pool stage.
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