Grading & Excavation Permit in Riverton, Utah
Required for significant grading, excavation, or land disturbance on residential or commercial properties in Riverton.
Verified 2026-06-27 · Source
When you need this permit
- Grading or filling that changes drainage patterns
- Excavation deeper than 4 feet
- Land disturbance over 1 acre (stormwater permit also required)
- Cut or fill exceeding 50 cubic yards
- Hillside grading in sensitive slope areas
Required documents
- Req
Grading Plan
Existing and proposed contours, cut/fill volumes, and drainage
- Req
Soils/Geotechnical Report
Required for hillside lots or fills over 3 feet
- Req
Erosion Control Plan
SWPPP or erosion control measures during construction
- Opt
Stormwater Permit
State UPDES permit for disturbance over 1 acre
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Grading Permit | $100-$500 based on volume of earth moved | — |
| Plan Review | 65% of permit fee | — |
| Erosion Control Bond | $500-$5,000 refundable bond | — |
Review timeline
~10–21 business days
Typical estimate — confirm current times with the Riverton building department
Inspection process
- 1
Erosion Control
Silt fence, inlet protection, and stabilization measures in place before work
- 2
Rough Grade
Cut/fill completed, verify elevations match approved plan
- 3
Final Grade
Drainage verified, slopes stabilized, permanent landscaping or erosion control
Tips
- Riverton requires erosion control measures before any grading begins — silt fence at a minimum.
- Excavation near existing foundations must be evaluated for impact on adjacent structures.
- Grading that alters drainage onto neighboring properties is prohibited — Riverton will require a drainage plan.
- Call 811 before any excavation to locate underground utilities.
Frequently asked questions
- Do I need a grading permit in Riverton?
- Yes, for excavation over 4 feet deep, cut/fill over 50 cubic yards, or any grading that changes drainage patterns. Small landscaping projects that do not alter drainage typically do not need a permit.
- What is an erosion control plan?
- An erosion control plan shows how you will prevent sediment from leaving the construction site during grading. Riverton requires silt fences, inlet protection, and stabilization measures. For disturbances over 1 acre, a state SWPPP is also required.
Sources & verification
Key facts verified against official sources. Last reviewed 2026-06-27.
Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Riverton building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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