4 county-level rules, plus city-specific rules for 4 cities in Denton County, Texas.
Verified from official government sources
Denton County enforces stormwater management through its MS4 (Municipal Separate Storm Sewer System) permit under the Texas Commission on Environmental Quality. Construction projects disturbing one acre or more require a Stormwater Pollution Prevention Plan and compliance with the Texas Pollutant Discharge Elimination System general permit.
Denton County requires erosion and sediment control measures on all construction sites. Projects disturbing one acre or more must file a TPDES notice of intent and implement a Stormwater Pollution Prevention Plan with specific best management practices to prevent sediment from leaving the site.
Denton County participates in the National Flood Insurance Program and enforces floodplain development regulations throughout its jurisdiction. Construction in FEMA-designated Special Flood Hazard Areas requires a floodplain development permit, and structures must be elevated at least one foot above the base flood elevation.
Denton County and its cities require grading permits for land-disturbing activities and enforce drainage standards to prevent stormwater runoff from adversely affecting neighboring properties. Development must maintain predevelopment drainage patterns or provide engineered solutions to handle increased runoff.
Tex. Local Government Code Sec. 232.003 (Subdivision Requirements - County Drainage Standards)
Sec. 232.003. SUBDIVISION REQUIREMENTS. By an order adopted and entered in the minutes of the commissioners court, and after a notice is published in a newspaper of general circulation in the county, the commissioners court may:(1) require a right-of-way on a street or road that functions as a main artery in a subdivision, of a width of not less than 50 feet or more than 100 feet;(2) requir...
4 cities in Denton County have their own environmental rules rules. Each link goes to that city's dedicated page with code citations.
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