After a delay of about two weeks due to a mechanical issue, the Drawdown of Mill Creek Reservoir began yesterday, September 6, at around 2:00 p.m. This planned drawdown is for shoreline maintenance and erosion control.
The lake will be lowered 4 to 6 inches per day until it reaches the target goal of 8 feet below normal pool stage. The lake will be held at this level until about January 15, 2023, at which time the water control gate will be closed and the lake allowed to refill.
According to Mill Creek Reservoir’s Waterbody Management Plan by the Louisiana Department of Wildlife and Fisheries, “The control structure (pictured above) has one gate which facilitates drawdowns through a 48-inch diameter outflow conduit. Maximum outflow rate is 4,680 cubic feet per second. The structure is designed so the lake can be completely dewatered.”
Take a look at the video below to see the massive amount of water flowing through the spillway.
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