drainage standards

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Reduce Flooding: City of Houston Updates Infrastructure Design Manual

On October 3, 2022, the City of Houston announced an update of its 568-page Infrastructure Design Manual (IDM). The new IDM will govern all new construction within the jurisdiction of Houston after October 1. Residents concerned about the possibility of new construction negatively affecting drainage should review it and related documents to make sure contractors […]

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Reduce Flooding: Colony Ridge Ditches Violate Liberty County Drainage Standards

Drainage ditches in Colony Ridge appear to violate Liberty County drainage standards from both 2004 and 2019. Both 2004 and 2019 regulations require developers to plant the slopes of ditches with grass to control erosion. In addition, 2019 regulations require backslope interceptor swales, another erosion-control measure. These prevent stormwater from running down the sides of […]

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