South Dakota Grease Trap Regulations
FOG Compliance Overview
South Dakota follows the Uniform Plumbing Code (UPC) as its base plumbing code. The UPC requires grease interceptors for commercial kitchens and uses fixture unit calculations for sizing requirements. The state's regulatory authority is the South Dakota Department of Agriculture & Natural Resources (DANR).
With approximately 2,053 food service establishments statewide, South Dakota has significant FOG compliance needs. Individual cities and municipalities may adopt additional local ordinances that go beyond the state plumbing code, including stricter pumping schedules, permit requirements, and enforcement penalties. Of the 2 cities we cover, 2 require a dedicated FOG permit. 2 cities enforce the 25% rule for grease trap pumping.
Need a grease trap in South Dakota?
Our free calculator uses UPC code requirements to recommend the right size for your establishment.
Size My Grease TrapCity Regulations in South Dakota
| City | Pumping Frequency | Permit | 25% Rule |
|---|---|---|---|
| Rapid City | See details | Required | Yes |
| Sioux Falls | Before FOG/solids reach 25% capacity; typically quarter... | Required | Yes |
Frequently Asked Questions
What plumbing code does South Dakota follow for grease traps?
South Dakota follows the Uniform Plumbing Code (UPC). The UPC requires grease interceptors for commercial kitchens and uses fixture unit calculations for sizing. Individual cities may adopt stricter local ordinances.
How many food service establishments are in South Dakota?
South Dakota has approximately 2,053 food service establishments according to Census Bureau County Business Patterns data. We currently cover detailed FOG regulations for 2 cities in the state.
Do I need a grease trap permit in South Dakota?
Permit requirements vary by city. Of the 2 cities we cover in South Dakota, 2 require a dedicated FOG permit. Check your specific city's requirements below or contact your local wastewater authority.
What size grease trap do I need in South Dakota?
Grease trap sizing in South Dakota depends on your establishment's flow rate, number of fixtures, and local code requirements under the UPC. Use our free sizing calculator for a recommendation tailored to your setup.
Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions. Last updated: March 2026.