Backflow Prevention Device Requirements
Businesses and Properties Required to Use Backflow Prevention Devices
Required Installations by Property Type
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Properties requiring Backflow prevention Devices
Unless they receive a specific exemption from the DEP, the following types of businesses are required to use backflow prevention devices:
- In-ground irrigation sprinklers
- Swimming pools
- Premises with multiple water service lines
- Premises with roof tanks and elevated storage lines
- Premises with groundwater wells
- Premises that reuse or recycle water
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Industrial and Commercial Facilities
- Metal plating, cleaning, processing or fabricating facilities
- Photo-processing facilities
- Laundries and dry cleaners
- Commercial car washes
- Auto repair shops
- Breweries
- Tanneries
- Exterminators
- Warehouses with toxic chemical storage
Food and Beverage Facilities
- Food processing plants and meat/fish packers
- Dye plants
- Paper processors
- Canneries
- Slaughterhouse/live poultry processing facilities
- Ice manufacturing facilities
- Supermarkets
- Premises with commercial or public kitchens
- Food preparation facilities
Healthcare and Personal Care Facilities
- Hospitals, clinics, and laboratories (including veterinary hospitals)
- Medical and dental offices
- Nursing homes
- Funeral parlors
- Barber shops and beauty salons
Other Specific Facilities
- Schools and colleges
- Greenhouses
- Printing facilities
- Premises with large boilers or chemically treated boilers
- Premises with water-cooled equipment or chillers
- Shipyards and marinas
Additional Information
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. If your property or business type is not included in the list and you have a specific question about your legal requirements, please call 311 to have your inquiry directed to DEP.
For answers to commonly asked questions, visit our Backflow Prevention FAQs.
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