Health inspectors who visited the Somerville kitchen where the Chicken & Rice Guys chain prepared its food found a rodent infestation and evidence the chain’s food trucks were routinely supplied with water from a bathroom faucet, according to a health inspector’s report.

The facility, Union Square Kitchens, which is used by several food businesses, also has a history of health problems including a forced closure two years ago for critical health code violations and “generally poor cleanliness,’’ according to health inspection reports.

Chicken & Rice Guys has been barred from using the kitchen commissary. But health inspectors have allowed the other food businesses that use the space — a mix of small caterers and private food organizations — to continue to use the facility, saying that there was no fear of cross-contamination among vendors.


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