Environmental Rules in Cedar Park, TX (2026)
5 verified environmental rules for Cedar Park, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Cedar Park operates an MS4 under TPDES General Permit TXR040000 and prohibits sweeping, dumping, or discharging anything other than uncontaminated stormwater into the storm sewer system or waterways.
Stormwater Management & Illicit Discharge
Some RestrictionsErosion Control
Site plans must show temporary and permanent erosion controls; controls must be installed before fill or grading begins and maintained until the site is revegetated.
Erosion & Sediment Control
Some RestrictionsCoastal Development
No local coastal development ordinance — Cedar Park is an inland Central Texas city in Williamson and Travis Counties, roughly 165 miles from the Gulf of Mexico, and outside the jurisdiction of the Texas Open Beaches Act and the Coastal Management Program.
Coastal Development (Not Applicable — Inland City)
Few RestrictionsFlood Zones
All development inside a FEMA Special Flood Hazard Area requires a Floodplain Development Permit; the City enforces FIRMs adopted from the Williamson County FIS (9/6/2008) and Travis County FIS (1/6/2016).
Floodplain Management & FEMA SFHAs
Heavy RestrictionsGrading & Drainage
Fill or grading requires a Site Fill/Grading Permit from the Engineering Department; all drainage design must comply with the City of Austin Drainage Criteria Manual as adopted by Cedar Park.
Grading, Drainage & Site Development
Some RestrictionsLooking for Williamson County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Cedar Park city rules.
Environmental Rules in Williamson County →