Grease Trap & FOG Compliance Guides

Deep, practical guides on how grease traps work, how to stay compliant, and how to avoid costly violations. Written for restaurant owners, facility managers, and plumbing professionals.

How Grease Traps Work

Complete guide to FOG separation physics, trap components, types, sizing principles, and the regulations that apply in every US jurisdiction.

10 min read

Pumping Frequency & the 25/50 Rule

The single most important compliance threshold in FOG. How inspectors measure it, which cities enforce it, and the consequences of exceeding it.

7 min read

More Resources

FAQ

20+ common questions on grease traps, permits, fines, and sizing.

Blog

Ongoing articles on FOG compliance, enforcement, and best practices.

Sizing Calculator

Free tool using IPC and UPC formulas.

City Regulations

Detailed rules for 246 US cities.