Grease Trap Requirements
Omaha, NE

FOG Compliance in Omaha, NE

Food service establishments in Omaha operate under a combination of federal EPA pretreatment standards, Nebraska 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 1,476 food service establishments — every one of them subject to the rules summarized below.

Pumping frequency is the compliance rule restaurant owners interact with most often. In Omaha, the rule is: Minimum every 90 days (quarterly) per City ordinance. Must be cleaned before FOG accumulation exceeds 25% of interceptor capacity. This aligns with the 90-day US median enforced by most major cities.

Omaha requires a dedicated FOG permit for any food service establishment generating fats, oils, and grease. The annual permit fee is Plumbing/sewer use permit required for grease interceptor installation. Contact Omaha Public Works for current fee schedule at (402) 444-5150.. The permit is separate from, and in addition to, the plumbing permit required at installation. Violations carry maximum penalties of Up to $500 per day per violation for initial offenses; escalating penalties for repeat violations under Omaha Municipal Code. , in line with typical US municipal penalties. Fines typically escalate with repeat violations, and severe discharges that cause sanitary sewer overflows can trigger federal Clean Water Act penalties layered on top of local fines.

Omaha enforces the 25 percent rule: grease traps must be pumped before the combined FOG and settled solids reach 25 percent of the trap's total liquid depth. Inspectors measure the depth with a sludge judge or dipstick, typically at surprise visits. Exceeding the threshold at inspection triggers a notice of violation and mandatory emergency pump-out, regardless of the scheduled pumping cycle. Inspections conducted by the City of Omaha on a schedule determined by Public Works. Typically annual routine inspections; more frequent for establishments with compliance issues.. Establishments must maintain pumping logs, hauler manifests, and inspection reports on-site — missing records is itself a violation in most enforcement actions. Enforcement authority rests with the City of Omaha Public Works Department, Sewer Maintenance Division; City of Omaha Planning Department, which handles permit issuance, inspections, and hauler licensing.

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