Grease Trap Requirements
Salt Lake City, UT

FOG Compliance in Salt Lake City, UT

Food service establishments in Salt Lake City operate under a combination of federal EPA pretreatment standards, Utah state plumbing code, and city-level FOG ordinances. Together these rules determine how grease traps must be sized, how often they must be pumped, and what happens when a restaurant falls out of compliance. The city has approximately 2,502 food service establishments — every one of them subject to the rules summarized below.

The city follows the Uniform Plumbing Code (UPC) for trap sizing and installation. Under Section 1014, which applies a fixture drainage load formula with a retention time factor, grease interceptors installed in Salt Lake City must meet minimum capacity thresholds based on the fixtures connected to them — 3-compartment sinks, dishwashers, pre-rinse stations, wok stoves, and floor drains on the cook line. The local minimum trap size is: Sizes referenced in local code: 500, 4000 gallons.

Specific pumping schedules and compliance thresholds for Salt Lake City are not published in the municipal code at the level of detail tracked on this site. Restaurant operators in Salt Lake City should contact the local wastewater utility directly to obtain the current rule set before installation or during inspection preparation.

For a deeper explanation of the rules this city enforces, read our guides on how grease traps work and the 25/50 pumping rule.