Environmental Rules in Flower Mound, TX (2026)
4 verified environmental rules for Flower Mound, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Flower Mound regulates stormwater management under Chapter 54 (Stormwater Management and Drainage) and the Cross Timbers Conservation Development District overlay. The town holds a Texas Pollutant Discharge Elimination System (TPDES) Municipal Separate Storm Sewer System (MS4) permit. Development projects must implement stormwater pollution prevention plans and comply with post-construction stormwater quality requirements.
Flower Mound Stormwater Management
Heavy RestrictionsErosion Control
Flower Mound requires erosion and sediment control measures on all construction sites per Chapter 54 and the TPDES Construction General Permit administered by TCEQ. Sites disturbing one acre or more must file a Notice of Intent and implement a Stormwater Pollution Prevention Plan with specific BMPs including silt fencing, inlet protection, and stabilized construction entrances.
Flower Mound Erosion Control Requirements
Heavy RestrictionsTCEQ Construction General Permit TXR150000 (2023)
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. Large construction activities which disturb 5 or more acres, or are part of a larger common plan of development or sale that will disturb 5 or more acres, are regulated...
Flood Zones
Flower Mound lies within the Denton and Elm Fork Trinity Watersheds with FEMA-designated Special Flood Hazard Areas along Bakers Branch, McKamy Creek, Wichita Creek, and areas surrounding Lake Grapevine. Any construction or improvements in a Special Flood Hazard Area require a Floodplain Development Permit. The town participates in the National Flood Insurance Program, and federal flood insurance is available for properties in mapped flood zones.
Flower Mound Flood Zone Regulations
Heavy RestrictionsGrading & Drainage
Flower Mound regulates grading and drainage under Chapter 54 (Stormwater Management and Drainage) and Chapter 98 (Zoning). All development must maintain pre-development drainage patterns and not increase stormwater runoff to adjacent properties. Grading permits are required for earth-moving projects that alter existing drainage, and the Cross Timbers Conservation Development District overlay imposes enhanced grading restrictions to protect natural terrain.
Flower Mound Grading and Drainage Requirements
Heavy RestrictionsLooking for Denton County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Flower Mound city rules.
Environmental Rules in Denton County →