Environmental Rules in Cedar Hill, TX (2026)
5 verified environmental rules for Cedar Hill, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Cedar Hill operates a municipal separate storm sewer system (MS4) under TCEQ TPDES Phase II permit and prohibits non-stormwater discharges into curb inlets, drainage channels, and creeks within the city.
Cedar Hill Stormwater Rules
Some RestrictionsErosion Control
Cedar Hill requires erosion and sediment control measures on all construction sites disturbing soil, with silt fencing, inlet protection, and stabilized entrances mandatory before grading begins.
Cedar Hill Erosion Control
Some RestrictionsTCEQ Stormwater General Permit for Construction Activities (TXR150000)
TCEQ issued the renewal of the CGP with an effective date of March 5, 2023. Construction activities are regulated under the CGP if they discharge stormwater to any surface water in the state and disturb an acre or more of soil. Stormwater Requirements for Construction Activities Large construction activities which disturb 5 or more acres, or are part of a larger common plan of development or sa...
Coastal Development
Cedar Hill is inland — no Gulf coast, no Texas Open Beaches Act jurisdiction, and no General Land Office coastal-construction rules apply. The relevant inland program is FEMA-based floodplain regulation around Joe Pool Lake and tributaries; a city Floodplain Development Permit is required for any work in a Special Flood Hazard Area, and floodway encroachment is prohibited absent a FEMA CLOMR.
Cedar Hill Coastal Development (Inland — Joe Pool Lake / Floodplain)
Heavy RestrictionsFlood Zones
Cedar Hill participates in the National Flood Insurance Program and requires floodplain development permits with finished floors elevated at least one foot above the base flood elevation in mapped Special Flood Hazard Areas.
Cedar Hill Flood Zone Rules
Heavy RestrictionsGrading & Drainage
Cedar Hill requires engineered drainage plans for new development and prohibits altering lot grading in a way that diverts stormwater onto neighboring properties or blocks established drainage patterns.
Cedar Hill Grading and Drainage
Some RestrictionsTex. Local Gov. Code Ch. 232 (County Regulation of Subdivisions)
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) require a ...
Looking for Dallas County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Cedar Hill city rules.
Environmental Rules in Dallas County →