Environmental Rules in Little Elm, TX (2026)
4 verified environmental rules for Little Elm, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Ordinance 1087 established the stormwater program to protect Lewisville Lake. A TCEQ MS4 permit and monthly drainage fee apply townwide.
Little Elm Stormwater Management
Some RestrictionsErosion Control
Sites disturbing 1+ acres must file a TCEQ Notice of Intent and implement a Stormwater Pollution Prevention Plan with silt fence and inlet protection.
Little Elm Erosion Control Requirements
Some RestrictionsFlood Zones
Extensive FEMA flood zones exist downstream of Lewisville Lake Dam. New construction must be elevated above the Base Flood Elevation under NFIP rules.
Little Elm Flood Zone Regulations
Heavy RestrictionsGrading & Drainage
Site grading must direct drainage away from foundations with 6 inches of fall in 10 feet. Altering drainage that floods neighbors is prohibited.
Little Elm Grading and Drainage Requirements
Some RestrictionsLooking for Denton County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Little Elm city rules.
Environmental Rules in Denton County →