Fort Bend County requires new development to manage stormwater runoff using detention, conveyance, and water quality measures meeting county drainage criteria.
The county's Drainage Criteria Manual, adopted by Commissioners Court and enforced by the Drainage District, requires developers to detain post-development peak flows to predevelopment rates for the 1, 10, 25, and 100-year storms. Plats and construction plans must be submitted to the Drainage District for review before recording. Detention pond design, outfall structures, and downstream conveyance capacity are evaluated against county-specific criteria distinct from city standards.
Violations include unpermitted discharge, undersized detention, or platting without Drainage District approval. Plats may be rejected, and corrective drainage work can be ordered.
Fort Bend County, TX
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See how Fort Bend County's stormwater management rules stack up against other locations.
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