What are the grease trap requirements in Denton, TX?

Food service establishments in Denton must install and maintain grease traps or interceptors per local FOG ordinances. The city follows the International Plumbing Code (IPC).

What size grease trap do I need for my restaurant in Denton?

Grease trap sizing depends on your establishment's flow rate, number of fixtures, and local code requirements. Per Texas IPC and city requirements; new and replacement grease traps require permit. Use our free sizing calculator for a recommendation.

Grease Trap Requirements
Denton, TX

Q: Do I need a grease trap permit in Denton?

Yes, a FOG permit is required in Denton. Fee: Permit required for new and replacement grease traps; contact Denton Pretreatment Department for fee.

FOG compliance regulations for food service establishments in Denton, Texas.

Every 90 days minimum

Pumping Freq.

Required

Permit

Yes

25% Rule

IPC

Code Base

Pumping Requirements

Frequency Every 90 days minimum; or when grease/solids reach 25% of wetted height. Grit interceptors every 180 days.

25% Rule Applies

Permits & Enforcement

Permit Required Required

Permit Fee Permit required for new and replacement grease traps; contact Denton Pretreatment Department for fee

Max Fine Per Chapter 26 Article XII enforcement provisions; contact Pretreatment Department

Complete FOG Regulations

Minimum Trap Size	Per Texas IPC and city requirements; new and replacement grease traps require permit
Pumping Frequency	Every 90 days minimum; or when grease/solids reach 25% of wetted height. Grit interceptors every 180 days.
25% Rule	Yes — trap must be pumped when grease and solids reach 25% of capacity
Permit Required	Yes
Permit Fee	Permit required for new and replacement grease traps; contact Denton Pretreatment Department for fee
Maximum Fine	Per Chapter 26 Article XII enforcement provisions; contact Pretreatment Department
Inspections	City pretreatment inspector verifies 90-day servicing, interceptor condition, and kitchen BMPs
Record Keeping	Required — maintain pumping logs and manifests on-site
Plumbing Code	International Plumbing Code (IPC)
Ordinance Ref.	Denton Code of Ordinances Chapter 26, Article XII (Liquid Waste); Section 26-308
Authority	City of Denton Pretreatment Department

Additional Notes

Manifests/trip tickets must be signed and kept on-site for at least 3 years. Additives prohibited without written city manager authorization. City provides list of permitted waste haulers.

Regulations change frequently. Always verify current requirements with your local wastewater authority or plumbing inspector before making compliance decisions. Last updated: March 2026.