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Environmental Rules in Utah County, UT (2026)

6 county-level rules, plus city-specific rules for 4 cities in Utah County, Utah.

Verified from official government sources

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

Stormwater Management

Utah County requires a land disturbance permit from the County Engineer before grading, clearing, or filling one acre or more of unincorporated land, including subdivided phases that add up to an acre. The County Engineer reviews applications within 14 calendar days and can approve, condition, or deny them under Utah County Code Chapter 8.19.

Utah County Stormwater Land Disturbance Permit

Some Restrictions

Utah County Code Section 8.19.020 (Land Disturbance Permits)

Every person will be required to obtain a land disturbance permit from the County Engineer in the following cases: land disturbing activity generally affecting one (1) or more acres of land; land disturbing activity affecting less than one (1) acre of land if the activity is part of a larger common plan of development or sale of which collectively affects one (1) or more acres of land; land dis...

Erosion Control

Unincorporated Utah County requires a land disturbance permit from the County Engineer before grading, clearing or excavation on one acre or more, and no building permit issues until that permit is obtained. Applications must include an erosion and sediment control plan as part of a SWPPP.

Utah County Erosion & Sediment Control Permit

Significant Restrictions

Utah County Code § 8.19.020 (Land Disturbance Permits)

Every person will be required to obtain a land disturbance permit from the County Engineer in the following cases: land disturbing activity generally affecting one (1) or more acres of land; land disturbing activity affecting less than one (1) acre of land if the activity is part of a larger common plan of development or sale of which collectively affects one (1) or more acres of land... No bui...

Flood Zones

Unincorporated Utah County requires a Floodplain Administrator clearance before any construction, grading or land division in a Special Flood Hazard Area, and bans most new fill or structures inside a mapped Floodway.

Utah County Flood Hazard Development Rules

Significant Restrictions

Utah County Code § 6.16

No Structure or land use shall hereafter be constructed, located, extended, converted, altered or otherwise developed without full compliance with the terms of this section... Encroachments, including Fill, New Construction, Substantial Improvements, and other Development are prohibited unless a written report is provided of a study conducted by a professional engineer licensed to practice in t...

Boat Dock Permits

Anyone building a marina, mooring dock, or boat launch along Utah Lake or another water body in unincorporated Utah County needs a permit from the Zoning Administrator under UCLUO 8.32. A scaled site plan and Utah County Health Department sign-off must both clear before the permit issues.

Utah County Marina and Boat Dock Permits

Some Restrictions

Utah County Code, UCLUO Section 8.32 (Marinas)

Any application for a Marina shall be accompanied by a site plan having a scale of one (1) inch equals one hundred (100) feet or larger... Approval from the Utah County Health Department for water, restroom facilities and any food concessions. The Marina shall have twenty (20) double-length Parking Spaces per each twenty-foot-width of the launching ramp in addition to the Parking Spaces require...

Defensible Space

In unincorporated Utah County's Wildland/Urban Interface zone, Utah County Code § 6.11.060 sets exact defensible-space clearances: grass kept under 5 inches within 30 feet of a structure, trees pruned and spaced, and all dead vegetation removed within 50 feet, with the Fire Marshal reviewing a site plan before construction begins.

Utah County Defensible Space Vegetation Rules

Some Restrictions

Utah County Code § 6.11.060 (Defensible Space Requirements)

Minimum Requirements: Unless otherwise specified by the Fire Marshal, minimum vegetation clearance will be as follows: Grass and Groundcovers: Dry or non-fire resistive grass and groundcovers shall be cleared and maintained to a maximum of five (5) inches in height within thirty (30) feet of the structure and a maximum of eighteen (18) inches in height from thirty (30) to fifty (50) feet from t...

Flood Elevation Requirements

In Utah County's mapped flood hazard areas, new homes and commercial buildings must have their lowest floor, including basement, raised at least 1 foot above the base flood elevation, with stricter rules in AO/AH zones.

Utah County Base Flood Elevation Standard

Significant Restrictions

Utah County Code § 6.16

Base Flood elevation data shall be provided for any Large-scale Development proposal which contains at least 50 Lots or 5 acres (whichever is less)... Any New Construction or Substantial Improvement to any Structure used as a Dwelling shall have the lowest floor (including basement) raised one (1) foot above the elevation of the Base Flood. Within areas designated AO and AH on the FIRM map, all...

Environmental Rules by City in Utah County

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

All Utah County ordinances

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

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