5 county-level rules, plus city-specific rules for 5 cities in Utah County, Utah.
Verified from official government sources
Utah County enforces stormwater management under its MS4 permit with UDEQ, requiring Stormwater Pollution Prevention Plans (SWPPP) for land disturbance over 1 acre. Provo and Orem operate separate MS4 programs. Utah Lake watershed protection is a priority given ongoing algal bloom concerns.
Utah County requires an approved erosion and sediment control plan before any grading or construction activity, with Wasatch Front foothill sites facing stricter slope stabilization rules. Silt fence, wattles, and stabilized construction entrances are standard. County inspectors can halt work for uncontrolled sediment.
Utah County has no ocean coastline but regulates development near Utah Lake, the Provo and Spanish Fork Rivers, and Jordanelle Reservoir tributaries. Shoreline buffers, floodplain restrictions, and US Army Corps §404 wetland permits apply near Utah Lake, a sovereign lake managed by the Utah Division of Forestry, Fire & State Lands.
Unincorporated Utah County participates in FEMA's NFIP and regulates development in Special Flood Hazard Areas. Major flood risks include the Spanish Fork River, Provo River tributaries, and Utah Lake shoreline areas.
Utah County requires a grading permit for excavation or fill over 50 cubic yards or any grading on slopes over 30 percent, per the Land Use Ordinance and IBC Appendix J. Drainage cannot be redirected onto adjacent parcels. Wasatch foothill sites face stricter geotechnical review.
5 cities in Utah County have their own environmental rules rules. Each link goes to that city's dedicated page with code citations.
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Utah County Ordinance Hub →