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Cross-Connection and Backflow Prevention

Plumbing cross-connections, which are defined as actual or potential connections between a potable and non-potable water supply, constitute a serious public health hazard. There are numerous, well-documented cases where cross-connections have been responsible for contamination of drinking water, and have resulted in the spread of disease. The problem is a dynamic one, because piping systems are continually being installed, altered, or extended. Control of cross-connections is possible, but only through thorough knowledge and vigilance. Education is essential, for even those who are experienced in piping installations fail to recognize cross-connection possibilities and dangers. All municipalities with public water supply systems should have cross-connection control programs. Those responsible for institutional or private water supplies should also be familiar with the dangers of cross-connections and should exercise careful surveillance of their systems.

Cross-Connection Fact Sheet

Cross-Connection and Backflow Prevention Manual - WVBPH

Cross-Connection and Backflow Control Manual - EPA

Search for Certified Backflow Prevention & Assembly Inspector Testers in West Virginia

Samples/templates to use for a Cross-Connection Control Program

National Drinking water standards can be found on the EPA's Ground Water and Drinking Water homepage.

For information regarding Capacity Development Assessments for Water Systems, which would include information regarding cross-connections/backflow prevention, click here.


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