Oklahoma Grease Trap Requirements & FOG Regulations
FOG Compliance Overview
Oklahoma follows the International Plumbing Code (IPC) as its base plumbing code. The IPC requires grease interceptors for food service establishments and references sizing based on fixture unit counts and flow rates. The state's regulatory authority is the Oklahoma Department of Environmental Quality (ODEQ).
With approximately 7,955 food service establishments statewide,Oklahoma 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.
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City Regulations in Oklahoma
| City | Pumping Frequency | Permit | 25% Rule |
|---|---|---|---|
| Oklahoma City | At minimum every 90 days; must be pumped when combined ... | Required | Yes |
| Tulsa | Must be pumped when grease and solids reach 25% of inte... | Required | Yes |
Frequently Asked Questions
What plumbing code does Oklahoma follow for grease traps?
Oklahoma follows the International Plumbing Code (IPC). The IPC requires grease interceptors for food service establishments and sizes them based on fixture unit counts and flow rates. Individual cities may adopt stricter local ordinances.
How many food service establishments are in Oklahoma?
Oklahoma has approximately 7,955 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 Oklahoma?
Permit requirements vary by city. Of the 2 cities we cover in Oklahoma, 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 Oklahoma?
Grease trap sizing in Oklahoma depends on your establishment's flow rate, number of fixtures, and local code requirements under the IPC. Use our free sizing calculator for a recommendation tailored to your setup.
Last verified: — Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions.