Milwaukee Grease Trap Violations: What Health Inspectors Check

Common Grease Trap Violations Milwaukee Inspectors Find

Milwaukee health inspectors assess grease trap compliance during routine and complaint-based inspections. The most cited violations include: lack of routine pumping documentation, undersized interceptors for the facility's volume, inadequate grease trap access or labeling, and failure to maintain grease traps in functional condition. Inspectors also check for improper disposal of cooking oil directly into drains, absence of pre-rinse sink traps, and grease buildup inside trap systems. The Wisconsin Plumbing Code and Milwaukee Administrative Code Chapter 165 establish these baseline requirements for all food service establishments.

Wisconsin Plumbing Code Requirements and Penalty Structures

Wisconsin commercial plumbing standards require all food establishments to install properly sized grease interceptors based on flow rate calculations and peak usage periods. Facilities must pump traps at intervals determined by the manufacturer and local health department, typically every 90 days or when 25% full—whichever comes first. Milwaukee violation penalties range from $25 to $500 per citation, with severity based on public health risk. Repeated violations or failure to correct within the compliance timeline can result in suspension of food service permits. The city requires written pumping records from licensed waste haulers, which inspectors verify during visits.

Best Practices to Avoid Grease Trap Violations

Establish a documented maintenance schedule with a licensed grease trap service provider and keep all pumping receipts on file. Train kitchen staff to scrape plates into trash before washing and never pour cooking oil, shortening, or grease down drains—instead collect it for licensed disposal. Ensure all prep sinks, dishwashers, and cooking equipment drain through the grease interceptor. Conduct monthly visual inspections for leaks, corrosion, or odor issues and address problems immediately. Register your facility's grease trap system with the Milwaukee Health Department and stay current on all renewal permits required under local ordinance.

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