

The PE or RA will send the plans to DEP for approval.
Backflow protector install#
To install a backflow prevention device, you must hire a Professional Engineer (PE) or Registered Architect (RA) to prepare a backflow prevention plan for your property. If your property or business type is not included in the above list and you have a specific question about your legal requirements, please call 311 to have your inquiry directed to DEP. You may also have your Registered Architect or Professional Engineer consult our Backflow Prevention Risk Assessment Guide to determine whether or not your property requires a backflow prevention device. Premises with water cooled equipment or chillers.Premises with Commercial or Public Kitchens.Warehouses (with toxic chemical storage).Premises with large boilers or chemically treated boilers.


Premises with roof tanks and elevated storage lines.Sewage treatment plants or handling facilities.Large residential dwellings with water boilers that use rust-inhibitors or other water treatment chemicals, (“treated water boilers”).Food processing plants and meat/fish packers.Hospitals, Clinics and Laboratories (including veterinary hospitals).Metal plating, cleaning, processing or fabricating facilities.Premises with multiple water service lines.Properties with in-ground irrigation sprinklers.Unless they receive a specific exemption from DEP, the following types of businesses and properties are required to install and use backflow prevention devices:
