Tuna Safety Regulations & Compliance in Detroit

Detroit Health Department & Michigan Seafood Requirements

The Detroit Health Department enforces Michigan Food Law (MCL 289.1101) and adopts FDA Food Code standards for seafood handling. All tuna suppliers must provide documentation proving they source from HACCP-certified facilities or FDA-registered seafood processors. The Detroit Health Department conducts unannounced inspections focusing on tuna storage temperatures, cross-contamination prevention, and raw fish preparation logs. Establishments serving sushi, poke, or ceviche must maintain written procedures for parasite destruction (freezing at -4°F for 7 days or -31°F for 15 hours) and document each batch. Non-compliance can result in permit suspension and fines up to $500 per violation.

Temperature Control & Storage Standards

Frozen tuna must be stored at 0°F or below; thawed tuna for raw consumption must remain at 41°F or lower and cannot be thawed at room temperature. Inspectors verify refrigeration logs at every visit—Detroit Health Department prioritizes temperature documentation for high-risk tuna preparations. Cooked tuna must reach an internal temperature of 145°F, measured with a calibrated thermometer, and cooling procedures must document the time it takes to reach 41°F. Establishments must use separate cutting boards and utensils for raw tuna to avoid cross-contamination with pathogens like Salmonella or Listeria. Any tuna held above 41°F for more than 4 hours must be discarded.

Sourcing, Supplier Verification & Inspection Focus Areas

Detroit establishments must obtain tuna exclusively from seafood suppliers on the FDA's Seafood HACCP List or verified by MDARD. Inspectors request bills of lading, supplier certificates of analysis, and traceability documentation going back at minimum 6 months. The Detroit Health Department flags high-risk species (yellowfin, bigeye) for histamine risk and requires extra scrutiny on time-temperature abuse during transport. Staff handling raw tuna must complete FDA Food Handler certification and document training records. Repeat violations—such as missing supplier documentation, improper freezing records, or temperature excursions—trigger re-inspection and potential license suspension.

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