Environmental Rules in Mansfield, TX (2026)
4 verified environmental rules for Mansfield, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Mansfield operates a Phase II MS4 stormwater program under TPDES permit. Construction sites over 1 acre need SWPPP and must prevent pollutant discharge to storm drains.
Mansfield Stormwater Management Rules
Heavy RestrictionsTCEQ Stormwater Permits Program (TPDES - construction, industrial, MS4)
Requirements related to water quality permitting for stormwater runoff from construction sites, industrial facilities, and publicly owned and operated storm sewers. On this page: Under Which stormwater Permit Are You Regulated? How to Check the Status of Your Permit HOT Upcoming Stakeholder Meeting on Renewal of the Construction General Permit (CGP), TXR15000 HOT Renewal of the Multi-Sector Gen...
Erosion Control
Mansfield requires erosion and sediment controls on all construction sites. BMPs include silt fence, inlet protection, and stabilized entrances verified during inspections.
Mansfield Erosion and Sediment Control Rules
Heavy RestrictionsTCEQ Construction General Permit TXR150000 (Stormwater Pollution Prevention Plan requirement)
The CGP requires construction site operators to develop and implement a Stormwater Pollution Prevention Plan (SWP3) prior to commencing construction. A SWP3 is a document that outlines construction plans and best management practices (BMPs) to control pollutants that may be discharged in stormwater runoff. Small Business and Local Government Assistance (SBLGA) has developed templates to help yo...
Flood Zones
Mansfield participates in the NFIP and enforces a floodplain ordinance. Construction in Special Flood Hazard Areas requires elevation certificates and permits before building.
Mansfield Flood Zone and Floodplain Rules
Heavy RestrictionsFEMA Flood Map Service Center, National Flood Insurance Program
The FEMA Flood Map Service Center (MSC) is the official public source for flood hazard information produced in support of the National Flood Insurance Program (NFIP). Use the MSC to find your official flood map, access a range of other flood hazard products, and take advantage of tools for better understanding flood risk. FEMA flood maps are continually updated through a variety of processes. E...
Grading & Drainage
Mansfield requires grading permits for significant earthwork and drainage plans showing no adverse impact to adjacent properties. Lot regrading must preserve existing drainage patterns.
Mansfield Grading and Drainage Rules
Some RestrictionsTex. Local Gov't Code sec. 232.001 (Plat required for subdivisions - drainage shown on plat)
Sec. 232.001. PLAT REQUIRED. (a) The owner of a tract of land located outside the limits of a municipality must have a plat of the subdivision prepared if the owner divides the tract into two or more parts to lay out:(1) a subdivision of the tract, including an addition;(2) lots; or(3) streets, alleys, squares, parks, or other parts of the tract intended by the owner of the tract to be dedicate...
Looking for Tarrant County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Mansfield city rules.
Environmental Rules in Tarrant County →