Environmental Rules in Salt Lake County, UT (2026)

3 county-level rules, plus city-specific rules for 5 cities in Salt Lake County, Utah.

Verified from official government sources

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

Stormwater Management

Salt Lake County enforces stormwater regulations under its UPDES MS4 permit administered by the Utah Division of Water Quality. Title 17 of the County Code prohibits illicit discharges to storm drains and requires erosion control plans for construction over one acre or smaller sites draining to sensitive waters. Violations carry fines up to $5,000 per day.

Environmental: Stormwater

Heavy Restrictions

Full ordinance details →Official source ↗

Flood Zones

Salt Lake County participates in the National Flood Insurance Program and enforces FEMA floodplain management standards under Title 16 of the County Code. Construction in Special Flood Hazard Areas along the Jordan River, Mill Creek, and Cottonwood Creek requires a floodplain development permit, elevation of finished floor at least one foot above Base Flood Elevation, and flood-resistant materials below that level.

Environmental: Flood Zones

Heavy Restrictions

Full ordinance details →Official source ↗

Grading & Drainage

Salt Lake County protects trees in public rights-of-way and foothill overlay zones. Title 19 Chapter 19.72 foothills and canyons overlay requires preservation of mature native vegetation during development. Street tree removal requires a permit. Noxious weed control under Utah Code 4-17 is mandatory, and the County Weed Board enforces eradication of listed noxious species on private property.