Environmental Rules in Salt Lake County, UT (2026)
5 county-level rules, plus city-specific rules for 5 cities in Salt Lake County, Utah.
Verified from official government sources
Stormwater Management
Development sites in unincorporated Salt Lake County must meet the post-construction stormwater performance criteria in County Code §17.22.050 unless the county engineer grants a waiver or determines the site exempt. Storm drain designs connected to the county system need a Utah-licensed professional engineer's supervision and seal, and post-construction runoff must be brought back toward preconstruction levels.
Stormwater Design Standards, Salt Lake County
Some RestrictionsSalt Lake County Code §17.22.050
General performance criteria for stormwater management. Unless a site is granted a waiver or determined by the county engineer to be exempt, the following post-construction performance criteria shall be addressed for stormwater management at all sites:1.The design of storm drain systems within the boundaries of or discharging into a county storm drain system shall be supervised by a Utah regist...
Erosion Control
Grading, borrow pits and land disturbance over an acre in unincorporated Salt Lake County require a land disturbance permit from the county engineer before any building permit issues.
Land Disturbance Permit Required, Salt Lake County
Significant RestrictionsSalt Lake County Code §17.22.040
Every person will be required to obtain a land disturbance permit from the county engineer in the following cases:1.Land disturbing activity generally affecting one or more acres of land;...C.Building permit. No building permit shall be issued until the applicant has obtained a land disturbance permit where one is required by this ordinance.
Flood Zones
Any new construction, substantial improvement, fill or manufactured-home placement inside a FEMA-mapped special flood hazard area of unincorporated Salt Lake County needs a floodplain development permit under §19.73.070(D)(1). The application goes to Salt Lake County Flood Control and the floodplain administrator with scaled plans, elevation data, and, for nonresidential floodproofing, a registered engineer's certification.
Salt Lake County Floodplain Development Permit
Significant RestrictionsSalt Lake County Code § 19.73.070(D)(1)
D.Permit Procedures.1.Application for a floodplain development permit shall be presented to Salt Lake County Flood Control and the floodplain administrator or designee on forms furnished by him/her and shall include the following...a.Plans drawn to scale showing the location, dimensions, and elevation of proposed landscape alterations.b.Plans drawn to scale showing the location, dimensions, and...
Defensible Space
No permit is needed to create or maintain the defensible space Utah's Wildland-Urban Interface Code requires around structures in Salt Lake County's foothills and canyons.
Salt Lake County Defensible Space Permit Exemption
Some RestrictionsSalt Lake County Code § 9.90.025(E)
E.Permits for Creating and Maintaining Defensible Space. No permit is required to create or maintain defensible space that the Wildland-Urban Interface Code requires. However, to the extent creation or maintaining defensible space results in removal of more vegetation than is required by WUI, the person responsible for such removal is subject to the applicable requirements and penalties of Salt...
Flood Elevation Requirements
Salt Lake County requires new and substantially improved homes in mapped special flood hazard areas to elevate the lowest floor, basement included, at least one foot above the base flood elevation (BFE). A registered engineer or land surveyor must certify that elevation to the county's floodplain administrator before the building is treated as compliant with Chapter 19.73, the county's Flood Damage Prevention ordinance.
Salt Lake County Flood Elevation Freeboard Rule
Some RestrictionsSalt Lake County Code § 19.73.080(E) - Provisions for flood hazard reduction, Residential Construction
E.Residential Construction. New construction and substantial improvement of any residential structure shall have the lowest floor (including basement) elevated to one foot above BFE. A registered professional engineer, or land surveyor shall submit certified elevations to the floodplain administrator that the standards of this chapter are satisfied. F.Nonresidential Construction. New constructi...
Environmental Rules by City in Salt Lake County
5 cities in Salt Lake County have their own environmental rules rules. Each link goes to that city's dedicated page with code citations.
7 verified rules • Boat Dock Permits, Defensible Space
4 verified rules • Erosion Control, Flood Elevation Requirements
4 verified rules • Erosion Control, Flood Elevation Requirements
6 verified rules • Defensible Space, Erosion Control
4 verified rules • Erosion Control, Flood Elevation Requirements
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