Application for Approval of Backflow Prevention Devices

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Before you submit your application


Ready to Apply?

Steps to apply in person:

  • 1.
  • Application for Approval of Backflow Prevention Devices (PDF)


  • 2.
  • NYC Department of Environmental Protection (DEP)
    Cross Connection Control
    59-17 Junction Boulevard, 3rd Floor LR
    Flushing, NY 11373

  • 3.

  • 4.

  • 5.