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How do I find out if my building's backflow preventer is registered?
All FAQ > Property, Buildings & Homes > How do I find out if my building's backflow preventer is registered?

To find out about your backflow preventer's registration history, you can contact the Department of Environmental (DEP) Protection's Cross Connection Program at (718) 595-5256.

You can learn more about the Backflow Prevention Outreach Program here.

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