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faucetPerfluorooctanoic Acid (PFOA) in Drinking Water
In 2007, Department of Environmental Protection released the results of a study that evaluated the occurrence of a widely used industrial chemical known as perfluorooctanoic acid (PFOA) in drinking-water systems throughout the State.

The DEP tested 23 drinking-water systems and PFOA was detected at very low levels in 78 percent of those tested. The report also includes drinking-water system results submitted from outside sources including environmental groups and water companies.

Also in 2007, DEP also took the first step toward developing a preliminary drinking-water guidance value.  In October of 2017, DEP issued an updated drinking-water guidance value for PFOA and DEP Commissioner Bob Martin announced that the DEP would accept the Drinking Water Quality Institute recommended health-based maximum contaminant level of 14 parts per trillion (ng/L).

PFOA is used to make fluoropolymers-substances with special properties used in many industrial applications, including the manufacture of consumer products such as non-stick cookware and all-weather clothing.

Additional information on PFOA can be found at www.epa.gov/oppt/pfoa/index.html.

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Last Updated: November 2, 2017