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Houston Oyster Safety Regulations & Health Code Requirements
Oysters are a high-risk seafood in Houston's food safety ecosystem, requiring strict adherence to Texas Department of State Health Services (TDSHS) regulations and local health department codes. Raw and cooked oyster service demands careful temperature control, verified sourcing from approved suppliers, and regular inspections. Understanding these regulations helps restaurants and retail operations prevent Vibrio, norovirus, and hepatitis A outbreaks.
Houston Local Health Code & TDSHS Oyster Requirements
The Houston Health Department enforces Texas Administrative Code (TAC) Title 25, which mandates that all oysters must come from waters classified as approved by the Texas Parks and Wildlife Department (TPWD) and the FDA. Restaurants cannot source from recreational or unapproved harvesting areas. TDSHS requires documented supplier verification, including harvest tags showing origin, harvest date, and mollusk dealer license numbers. Inspectors specifically verify that oyster suppliers hold valid seafood dealer permits and that origin documentation travels with shipments to the point of service.
Temperature Control & Storage Standards for Oysters
Raw oysters in Houston must be stored at 41°F or below, with temperature logs required during inspections by the Houston Health Department. Once shucked, oysters have a maximum 7-day shelf life when properly tagged with shuck date. Cooked oysters must reach an internal temperature of 145°F for 15 seconds per FDA HACCP standards. Houston inspectors use time-temperature data to verify compliance; facilities without functioning thermometers or cold-chain gaps face violations. Any oysters held above 45°F for more than 2 hours (or 1 hour if ambient temperature exceeds 90°F) must be discarded.
Inspection Focus Areas & Outbreak Prevention
Houston Health Department inspectors prioritize oyster-related violations because of Vibrio vulnificus and norovirus risks in the Gulf Coast region. Inspectors examine source documentation, cold storage equipment calibration, employee training records on raw seafood handling, and cross-contamination prevention measures. Facilities must maintain separate cutting boards and utensils for raw oysters away from ready-to-eat foods. Outbreak response involves immediate product tracing: the Houston department works with FDA and CDC to identify harvest lot numbers and remove contaminated stock within hours of notification.
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