Environmental Rules in Denton County, TX (2026)

1 county-level rule, plus city-specific rules for 3 cities in Denton County, Texas.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Denton County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Erosion Control

Denton County and its cities require grading permits for land-disturbing activities and enforce drainage standards to prevent stormwater runoff from adversely affecting neighboring properties. Development must maintain predevelopment drainage patterns or provide engineered solutions to handle increased runoff.

Denton County Grading and Drainage Requirements

Some Restrictions

Tex. Local Government Code Sec. 232.003 (Subdivision Requirements - County Drainage Standards)

Sec. 232.003. SUBDIVISION REQUIREMENTS. By an order adopted and entered in the minutes of the commissioners court, and after a notice is published in a newspaper of general circulation in the county, the commissioners court may:(1) require a right-of-way on a street or road that functions as a main artery in a subdivision, of a width of not less than 50 feet or more than 100 feet;(2) requir...

Full ordinance details →Official source ↗

Environmental Rules by City in Denton County

3 cities in Denton County have their own environmental rules rules. Each link goes to that city's dedicated page with code citations.

DentonPop. 139,869

4 verified rules • Erosion Control, Flood Elevation Requirements

LewisvillePop. 111,822

4 verified rules • Erosion Control, Flood Elevation Requirements

Flower MoundPop. 79,828

1 verified rule • Erosion Control

All Denton County ordinances

See every category we cover for Denton County: parking, noise, fences, fires, animals, pools, and more.

Denton County Ordinance Hub →