Environmental Rules in Richardson, TX (2026)
4 verified environmental rules for Richardson, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Richardson manages stormwater through the Municipal Drainage Utility System established by ordinance in 2011-2012. Chapter 20.5 addresses stormwater and bridge/waterway management. A drainage fee funds the system.
Richardson Stormwater Management
Some RestrictionsErosion Control
All construction sites disturbing one or more acres require an erosion control plan and TCEQ stormwater permit; smaller sites require basic sediment controls.
Richardson Erosion and Sediment Control
Some RestrictionsFlood Zones
Richardson Code Chapter 9 (Floodplain Management) regulates development in FEMA-designated flood zones. The city participates in the National Flood Insurance Program (NFIP). Building in floodplains requires elevated structures and special permits.
Richardson Floodplain Management
Heavy RestrictionsGrading & Drainage
Richardson requires proper grading and drainage on all development projects. Sec. 13-2 prohibits diverting water from its natural course. Retaining walls over 4 feet must be designed by a licensed professional engineer.
Richardson Grading & Drainage Requirements
Some RestrictionsLooking for Dallas County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Richardson city rules.
Environmental Rules in Dallas County →