Food Temperature Logging Requirements in Detroit, Michigan

Detroit's Temperature Logging Regulations & MDARD Enforcement

Detroit food service establishments fall under MDARD oversight, which adopts FDA Food Code standards for temperature control. The Michigan Food Law (MCL 289.1101) requires facilities to maintain daily temperature logs for refrigeration units, hot holding equipment, and cooking surfaces. Cold storage must stay at 41°F or below, and hot holding at 135°F or above. MDARD health inspectors specifically review temperature logs during unannounced inspections, and missing or inaccurate logs result in citations that can lead to license suspension. Detroit's health department conducts approximately 15,000+ inspections annually across food service, retail, and institutional settings.

Critical Control Points & Documentation Requirements

HACCP plans require you to identify and document critical control points—typically receiving, storage, and holding temperatures. Detroit inspectors expect to see time-stamped, legible logs showing at least two daily temperature checks (morning and evening) for refrigeration units, and continuous monitoring logs for cooking and hot-holding. Logs must include the date, time, temperature reading, equipment location, corrective action (if out of range), and staff initials. Electronic logging systems are increasingly preferred over paper logs because they timestamp entries automatically and create audit trails. If a temperature deviation occurs, documentation must show the problem was identified, corrected, and logged immediately—not retroactively.

Best Practices for Detroit Food Businesses

Use calibrated thermometers (analog or digital) and verify accuracy quarterly using ice-water or boiling-water tests. Assign one staff member per shift to check temperatures and sign logs to create accountability. Store logs for a minimum of one year and keep them accessible in the facility during inspections—inspectors routinely ask to review them on-site. Consider implementing a digital temperature monitoring system that sends real-time alerts if equipment drifts out of safe ranges, which Detroit inspectors view favorably as a proactive compliance measure. Train all food handlers on proper thermometer placement (center of product, not touching surfaces) and the importance of recording temperatures consistently.

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