Dredge reports2/20/2024 The purpose of dredging is to remove those materials and restore the lake to an appropriate depth for recreational use. The sediment buildup also affects the lake’s ecosystems when materials, such as logs and leaves, take the oxygen as they decompose, Stauffer says. In 2014, the latest study from the Texas Water Development Board found that the lake contained 10,230 acre-feet of water, down from its original volume of 18,000 acre-feet when it was built in 1911. What is dredging? Why is it so expensive? Is there an alternative solution? We talked with Park and Recreation Department senior engineer Richard Stauffer and asked him everything you need to know about dredging White Rock Lake.ĭredging removes the accumulation of silt and debris that reduces water depth. In late October, the Dallas City Council approved a more than $99,000 dredging feasibility study, kicking off a yearslong project to remove sediment and restore the health of the lake. When water levels dropped this summer because of a broken stoplog at the spillway, debris wallowing in shallow bays showed that a dredge is long overdue. The degradation of the lake is already evident in some areas. Up to 8 feet of sediment is hidden under the water, and without a dredge, the lake could fill with silt by 2034, officials from the Park and Recreation Department say.
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