• 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:

TYPICAL TOXIC CROSS-CONNECTIONS AT INDUSTRIAL FACILITIES WHICH OFTEN REQUIRE ISOLATION PROTECTION AS WELL AS CONTAINMENT.
  • 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.