- Wash basins, service sinks, janitorial sinks
- Irrigation sprinkler systems
- Laboratory and aspirator equipment
- Photo developing equipment
- Boilers, Air Conditioning (chilled, condenser) Cooling Systems
- Processing Tanks
- Chemical Feeder
- Laboratory Equipment, Laboratory Sink
- Chlorinator
- Dishwasher, Ice Machine
- Soda Machine, Drinking Fountain
- Water recirculating systems
- Fire Sprinkler System
- Baptismal Fount
- Bathtub, Bidet, Lavatory
- Laundry Machine
- Auxiliary water supplies
- Hose Bibs
- Swimming Pools
Backflow prevention devices provide protection against water contamination that can occur with the above mentioned equipment if a cross-connection is present. In West Virginia, you are required mandatory backflow protection on certain facilities where high health-hazard cross-connections exist. The following in a partial list of these facilities:
- Hospitals, Clinics, Nursing Homes
- Animal Hospitals
- Mortuaries
- Laboratories
- Chemical Plants, dyeing plants, metal plating industries, tanneries
- Petroleum processing or storage plants
- Slaughterhouses, poultry processing plants, food or beverage processing plants
- Piers, docks, waterfront facilities
- Photo Development Plants
- Car Washes, Laundromats
- Public Swimming Pools
- Farms where water is used for other than household purposes
- Sewage treatment plants, sewage pumping stations, storm water pumping stations
Source: State of West Virginia Department of Health and Human Services Bureau for Public Health, under Title 64 Legislative Rule, Series 15, Cross Connection Control and Backflow Prevention regulations.