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EWG's Tap Water Database — 2019 UPDATE

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Perfluorooctanoic acid (PFOA)

Prescott Valley WD Upper

Perfluorooctanoic acid (PFOA) is a member of a group of perfluorinated chemicals used in many consumer products. PFOA and other perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND110ND
2015ND110ND
2016N/A00N/A
2017N/A00N/A

ppt = parts per trillion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.007 ppt

The EWG Health Guideline of 0.007 ppt for PFOA was defined by California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppt = parts per trillion

All test results

Date Lab ID Result
2014-12-08201412110346AMND
2014-12-08201412100580AMND
2014-12-08201412100594AMND
2014-12-08201412100582AMND
2014-12-08201412110324AMND
2014-12-08201412100471AMND
2014-12-08201412110334AMND
2014-12-08201412110322AMND
2014-12-08201412110257AMND
2014-12-09201412100849AMND
2014-12-10201412100788AMND
2015-06-09201506100383AMND
2015-06-09201506100554AMND
2015-06-09201506100464AMND
2015-06-09201506100537AMND
2015-06-09201506100542AMND
2015-06-09201506100400AMND
2015-06-09201506100559AMND
2015-06-09201506100569AMND
2015-06-09201506100411AMND
2015-06-09201506100544AMND
2015-06-09201506100370AMND