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Chicago violation 51: PLUMBING INSTALLED; PROPER BACKFLOW DEVICES

Official wording (Chicago Department of Public Health): PLUMBING INSTALLED; PROPER BACKFLOW DEVICES

In inspections since January 2021 this violation number was listed 10,412 times at 4,804 currently active establishments in our data. Chicago's dataset does not label individual violations as critical or not, so FoodCheck USA does not assign a severity.

Citations by year

YearTimes cited
20211,595
20221,371
20231,704
20241,998
20252,154
20261,590

Most recent citations

Establishments where this code most recently appeared. A citation reflects one inspection on one date.

How Chicago inspections are scored

Source: Chicago Department of Public Health (CDPH), Food Protection Program, “Food Inspections” dataset on the official open data portal. Source data as of Nov 3, 2026; imported by FoodCheck USA on Nov 5, 2026.