Environmental Rules in Utah (2026)

Lehi regulates stormwater system design, construction, illicit discharges and inspections citywide under a dedicated…

Weber County bans any illicit discharge into its storm sewer system in the unincorporated county, with narrow…

West Valley City requires a Storm Water Management Permit for any construction disturbing an acre or more and for all…

Unincorporated Davis County requires a development permit before recording any subdivision plat, and a construction…

Eagle Mountain charges a storm water utility fee on every developed parcel with impervious surface that contributes…

Layton bans dumping pollutants into its storm drain system under City Code Chapter 13.16, the Illicit Discharge and…

Orem makes it unlawful to obstruct, cover, or contribute to blocking any part of the City's storm water system…

Provo bans dumping anything but clean storm water into the storm drainage system or Utah Lake tributaries under City…

Salt Lake City bans dumping anything but stormwater into its storm drains, backed by fines up to $10,000 per violation…

Development sites in unincorporated Salt Lake County must meet the post-construction stormwater performance criteria in…

Sandy City Code Chapter 9-1, the Storm Water Quality and Enforcement ordinance, bars discharging pollutants into the…

South Jordan won't issue a building permit, subdivision approval, or other development permit unless the project…

St. George requires a grading permit before disturbing one acre or more of land, backed by a state notice of intent and…

Utah County requires a land disturbance permit from the County Engineer before grading, clearing, or filling one acre…

Washington County requires every subdivision to install a stormwater drainage system that is separate from the sanitary…

West Jordan bans dumping anything but stormwater into its municipal storm drain system and applies the rule to every…

Land-disturbing construction of one acre or more in Utah must obtain a UPDES Construction General Permit from the…

Anyone disturbing one acre or more of ground in unincorporated Davis County must obtain a General Construction County…

Grading, borrow pits and land disturbance over an acre in unincorporated Salt Lake County require a land disturbance…

Sandy declares blowing dust, soil and sand a public nuisance under §21-27-9 and makes every property owner responsible…

Unincorporated Utah County requires a land disturbance permit from the County Engineer before grading, clearing or…

Eagle Mountain requires a sealed sediment and erosion control plan for every construction activity that disturbs land…

Layton requires cut and fill slopes to be prepared and maintained against erosion, using effective planting or devices…

Lehi requires a grading permit before disturbing more than one acre of land or moving more than two feet of fill or…

Orem requires a Land Disturbance Permit before any activity disturbing 500 or more square feet of land, backed by a…

Provo requires every slope disturbed by hillside construction to be revegetated to match or beat the erosion-control…

Construction permit holders in Salt Lake City must install erosion and stormwater runoff controls to keep sediment and…

South Jordan requires a land disturbance permit before any grading, and the application must include a…

St. George requires a sediment and erosion control plan for any construction project disturbing one acre or more, or…

Any grading or construction on slopes over 20% in unincorporated Washington County needs a hillside development permit…

Weber County requires a stormwater construction activity permit before any excavation, grading, or land-disturbing…

West Jordan requires a land disturbance permit before any grading, clearing, or earthwork, and section 11-3-18 makes…

West Valley City bars approval of any site construction plan without an approved Storm Water Pollution Prevention Plan…

Building, filling or developing anywhere in a Davis County FEMA special flood hazard area requires a development permit…

Layton requires a development or building permit before any construction begins in a mapped special flood hazard area…

Lehi requires a Floodplain Development Permit for any construction, fill, or alteration within a FEMA-mapped special…

Any new construction, substantial improvement, fill or manufactured-home placement inside a FEMA-mapped special flood…

Sandy City regulates development in FEMA-mapped flood hazard areas through its Floodplain Overlay Zone under City Code…

Unincorporated Utah County requires a Floodplain Administrator clearance before any construction, grading or land…

Eagle Mountain regulates construction in flood-prone land under Chapter 15.105 EMMC, Flood Damage Prevention, which…

Orem requires a development permit before any construction or land-disturbing work begins in a mapped area of special…

Provo requires a floodplain development permit before any construction begins in a special flood hazard area, with the…

Building or development in a Salt Lake City floodplain hazard area requires a permit and elevation or floodproofing…

South Jordan participates in the National Flood Insurance Program (NFIP) and enforces floodplain development standards…

St. George requires an engineer-prepared flood hazard development permit for any construction in a FEMA special flood…

Washington County requires a development permit before any construction or fill begins in an area of special flood…

Weber County regulates every area FEMA maps as a special flood hazard on its November 30, 2023 Flood Insurance Rate…

West Jordan layers a Floodplain Overlay Zone (F-P) onto any base zoning district that FEMA's flood insurance rate maps…

West Valley City requires a Development Permit before any construction, filling, grading, or land-use change within a…

Boat docks and piers near the Jordan River, Surplus Canal, or other protected waterbodies need a conditional use permit…

Anyone building a marina, mooring dock, or boat launch along Utah Lake or another water body in unincorporated Utah…

Salt Lake City requires anyone who lives next to or has an interest in a foothills parcel to get a fuel reduction…

Eagle Mountain requires property owners, including the city itself, homeowners, and HOAs, to maintain adequate…

Provo defines defensible space in Section 14.33A.020 as the buffer between a structure and wildland that slows or halts…

No permit is needed to create or maintain the defensible space Utah's Wildland-Urban Interface Code requires around…

Sandy City Code § 18-1-3 amends the International Wildland-Urban Interface Code so extra ignition-resistant…

In unincorporated Utah County's Wildland/Urban Interface zone, Utah County Code § 6.11.060 sets exact defensible-space…

Weber County's Hillside Development chapter requires building sites on steep terrain to leave ample room for adequate…

Inside the Pine Valley Overlay Zone, the county's landscaping standard tells homeowners to clear flammable growth from…

Davis County caps engine idling at two minutes for any motor vehicle, under the county's vehicle emissions program…

Layton bars food trucks from idling unnecessarily once parked at a site, a pollution-control rule written into the…

Provo bans idling a Class A commercial vehicle, tractor-trailers included, for more than one minute on public property…

Salt Lake City caps engine idling at two minutes citywide under City Code § 12.58.030, with exceptions for traffic…

Sandy caps engine idling at one minute on public property and on private property open to the public, including parking…

St. George has no citywide idling law. Its only idling rule bans vehicles from idling on neighborhood streets while…

Layton requires substantially improved residential structures in the special flood hazard area to elevate the lowest…

New and substantially improved homes in Lehi's mapped flood zones must have their lowest floor, including any basement…

In Utah County's mapped flood hazard areas, new homes and commercial buildings must have their lowest floor, including…

In Davis County's unincorporated special flood hazard areas, new residential construction and substantial improvements…

Eagle Mountain's floodplain administrator, the city building official, requires a building permit applicant to document…

In Orem's mapped special flood hazard areas, new homes and substantially improved structures must have the lowest floor…

In Provo's Special Flood Hazard Area, the lowest floor of every new structure, including basements, must sit at least…

New homes and additions in Salt Lake City's mapped floodplain hazard area must have the lowest floor built at or above…

Salt Lake County requires new and substantially improved homes in mapped special flood hazard areas to elevate the…

Sandy City requires every new or substantially improved residential structure in a mapped flood hazard area to elevate…

New and substantially improved residential structures in South Jordan's mapped flood hazard areas must have their…

St. George requires new residential construction in flood hazard areas to elevate the lowest floor at least two feet…

Washington County requires new and substantially improved residential structures in a mapped flood hazard area to…

New homes and substantially improved residential structures in Weber County's mapped flood hazard areas must have their…

West Jordan requires new construction and substantial improvements in a special flood hazard area to have the lowest…

In West Valley City's mapped flood hazard areas, new and substantially improved homes must have their lowest floor…