Running a food service business in Florida means dealing with a long list of regulations, and grease trap compliance is one that catches a lot of operators off guard. Not because the rules are difficult to understand, but because the consequences of ignoring them tend to be significant and show up at inconvenient times.
Commercial grease trap compliance in Florida is governed at both the state and local level, and the specific requirements vary by municipality. But the core obligations are consistent: grease traps need to be properly sized, regularly serviced, and documented. Getting any of those wrong can result in fines, operational shutdowns, or both.
Why Grease Traps Are Required
Fats, oils, and grease, collectively referred to in the industry as FOG, don’t behave in a sewer system the way water does. They cool, solidify, and stick to pipe walls. Over time, FOG accumulation builds into blockages that can back up sewer systems and create sanitary sewer overflows, which are regulated events under the Clean Water Act.
Grease traps intercept FOG before it enters the sewer system. Wastewater from kitchen drains flows into the trap, where the grease and oils float to the surface and are held while the cleaner water passes through to the sewer. That intercepted grease has to be pumped out regularly before the trap reaches capacity and stops functioning.
Who Is Required to Have One
In Florida, most food service establishments are required to have a grease trap or grease interceptor as a condition of their operating permit. This includes restaurants, cafeterias, delis, bakeries, hotels with food service, schools, hospitals, and any other facility that produces FOG as part of food preparation or dishwashing.
The specific type of trap required, either an indoor grease trap or an outdoor in-ground interceptor, depends on the volume of FOG the facility produces and local utility requirements.
Florida’s Regulatory Framework
Florida grease trap regulations fall under several overlapping authorities. The Florida Department of Environmental Protection sets standards for wastewater disposal. Local water and sewer utilities enforce pretreatment ordinances that specify how grease interceptors must be maintained. And local health departments inspect food service facilities and can cite businesses for non-compliant grease management.
The 25% Rule
One of the most commonly cited standards is the 25% rule. A grease trap is considered full and in need of pumping when the accumulated FOG and solids reach 25% of the trap’s total liquid volume. At that point, the trap is no longer functioning effectively because the FOG layer is too close to the outlet and grease is passing through into the sewer.
Many municipalities in South Florida have adopted this standard as their threshold for compliance. If an inspector finds a trap that exceeds 25% capacity, the business is out of compliance, regardless of how recently the trap was last pumped.
Pumping Frequency Requirements
Florida regulations generally require that grease traps be pumped out completely, a process called a full pump-out, on a schedule that keeps them below the 25% threshold. For most restaurants, that means pumping every one to three months. High-volume kitchens may need more frequent service.
Some municipalities require a minimum pumping frequency regardless of capacity, typically at least once every 90 days. Businesses that try to stretch intervals beyond what their trap can handle often end up with FOG passing into the sewer, which is what leads to inspections, citations, and fines.
Documentation & Manifests
This is where a lot of businesses run into trouble. Pumping the trap is only part of the compliance picture. Florida requires that waste haulers who remove grease trap contents provide a manifest for each service, documenting the date, the volume removed, and where the waste was taken for disposal.
Business owners are required to keep those manifests on file, typically for a minimum of three years. When an inspector visits, they will ask to see the service records. A business that was pumped on schedule but can’t produce the documentation is treated the same as one that wasn’t pumped at all.
What to Confirm With Your Hauler
Before signing a service agreement with a grease trap pumping company, it’s worth confirming that they provide proper manifests after every service call, that they are licensed waste haulers operating under Florida DEP authorization, and that they dispose of collected FOG at an approved facility. Using an unlicensed hauler doesn’t get a business off the hook for disposal compliance.
Common Violations & What They Cost
The fines for grease trap violations in South Florida municipalities vary but tend to start in the hundreds of dollars for a first offense and escalate quickly for repeat violations or situations involving actual sewer system impact. Some utilities assess daily fines for ongoing non-compliance.
Beyond fines, a business found to have caused a sanitary sewer overflow through inadequate grease management can face liability for cleanup costs, which run into the tens of thousands of dollars. Operating permit suspension is also on the table for serious or repeated violations.
Keeping Your Business in Compliance
The straightforward path to compliance is consistent service with a licensed hauler, proper recordkeeping, and paying attention to what goes down your drains. Training kitchen staff on proper FOG disposal, not pouring grease down the drain, scraping food waste into the trash before washing, and using screens on drain openings reduces the load on the grease trap and extends the intervals between necessary pump-outs.
Getting an inspection of your trap’s current condition and sizing is also worth doing if you’re not certain the existing equipment is adequate for your kitchen’s output. An undersized trap will never stay in compliance no matter how often it’s pumped.
