Grease Trap Requirements
Rapid City, SD
FOG compliance regulations for food service establishments in Rapid City, South Dakota.
Check locally
Pumping Freq.
Required
Permit
Yes
25% Rule
UPC
Code Base
Pumping Requirements
Frequency Contact local authority
25% Rule Applies
Permits & Enforcement
Permit Required Required
Complete FOG Regulations
| Minimum Trap Size | 750 gallons minimum; grease retention capacity not less than 2 lbs per GPM of flow |
|---|---|
| Pumping Frequency | Contact local authority for requirements |
| 25% Rule | Yes — trap must be pumped when grease and solids reach 25% of capacity |
| Permit Required | Yes |
| Record Keeping | Required — maintain pumping logs and manifests on-site |
| Plumbing Code | Uniform Plumbing Code (UPC) |
| Ordinance Ref. | Rapid City Municipal Code Chapter 13.20 (Onsite Wastewater Disposal and Treatment); SD State Plumbing Code Chapter 20:54:06 |
| Authority | City of Rapid City Public Works Department |
Additional Notes
Grease interceptors defined as indoor/outdoor units similar to septic tanks used to remove excessive FOG by flotation. Minimum size 750 gallons with grease retention capacity of at least 2 lbs per GPM flow rate. Construction and installation must meet SD State Plumbing Code Chapter 20:54:06 requirements.
Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions. Last updated: March 2026.
Contact Information
Phone (605) 394-4174
(605) 394-4174
Official Sources
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