High Health Cross-Connection Hazard Premises Requiring Premises Isolation by AG or RPBA

• Agricultural (farms and dairies)
• Beverage bottling plants
• Car washes
• Chemical plants
• Commercial laundries and dry cleaners
• Film processing facilities
• Food processing plants
• Hospitals, medical centers, nursing homes, veterinary, medical and dental clinics, and blood plasma centers
• Laboratories
• Metal plating industries
• Mortuaries
• Petroleum processing or storage plants
• Piers and docks
• Premises where both reclaimed water and potable water are provided
• Premises with an unapproved auxiliary water supply interconnected with the potable water supply
• Premises with separate irrigation systems using the purveyor's water supply and with chemical addition+
• Radioactive material processing plants or nuclear reactors*
• Survey access denied or restricted
• Wastewater lift stations and pumping stations
• Wastewater treatment plants*

+ For example, parks, playgrounds, golf courses, cemeteries, and estates

* RPBAs for connections serving these premises are acceptable only when used in combination with an in-plant approved air gap; otherwise, the purveyor shall require an approved air gap at the service connection.