Lewisville Lake Spillway Modification Enhances Flood Risk Management Infrastructure
The U.S. Army Corps of Engineers is completing a $166 million upgrade to the Lewisville Lake spillway to bolster dam safety. This modification is crucial for the flood risk management of the Dallas-Fort Worth area, ensuring continued protection for downstream communities.
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The Lewisville Lake spillway modifications, part of a $166 million project by the U.S. Army Corps of Engineers, are nearing completion. These enhancements focus on structural stability to address uplift pressures during high-water events.
The project includes over 70 high-capacity post-tensioned anchors and a geomembrane blanket to reduce seepage risks. Previous phases have already reduced seepage in the dam's embankment. The construction has been phased to maintain operational flood risk management and water supply services. The improvements are expected to significantly enhance the long-term resilience of the dam, safeguarding the growing North Texas communities.
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