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Does a restaurant need an annual backflow prevention test?

Published · Compliance Binder

If your building has a backflow prevention assembly, and most commercial kitchens do, it needs testing by a certified tester on a schedule your water utility sets. Annual is the common interval. This is the obligation operators are least aware of, because the paperwork usually goes somewhere they never see.

Why a restaurant has one at all

Backflow prevention stops water from your premises being drawn back into the public supply if pressure drops. A commercial kitchen has several of the conditions that make this a real risk: chemical dispensers, carbonators for soda, mop sinks, boilers, and irrigation. A carbonator without the correct assembly can put carbonated water back through copper pipe and dissolve enough copper to poison someone. This is not a theoretical requirement.

Who holds the record, and why that matters

The tester files the result with the water utility or the cross connection control program. That is the copy that satisfies the requirement, which is why operators are so often unaware the test happened at all: it can be arranged by a landlord, done in twenty minutes, and filed without anyone telling the tenant.

Two things follow. First, ask your tester for a copy for yourself every time, because a health or fire inspector standing in your kitchen cannot see the utility's file. Second, if you took over an existing space, find out whether the assembly is registered to you or still to a previous tenant. A test filed against the wrong party is not a test filed for you.

In Indiana specifically

Testers are certified, and cross connection control is administered locally by the water utility under state environmental rules. The practical consequence is that the interval and the paperwork are set by your utility rather than by a single statewide form, so the number to trust is the one on the notice your utility sends you.

What a valid record shows

  • The assembly location, make, model, and serial number.
  • The tester's name and certification number.
  • The date, the readings, and pass or fail.
  • What was repaired and retested, if it failed.

This page describes what published standards say. It is not legal advice and it is not a determination about any premises. The requirements that apply to your building, including how often work must be done and what must be kept, are set by your authority having jurisdiction, which is usually your local fire marshal or health department. Where this page and your inspector disagree, your inspector is right.

Keeping this straight without thinking about it

Ask your tester to send the copy to your location's Binder address at the same time they file with the utility. It costs them nothing, and it means the one record that normally lives in somebody else's filing system is also in yours, with the date it was performed.

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