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EWG's Tap Water Database — 2021 UPDATE

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Perfluorooctanoic acid (PFOA)

West Sound Utility District #1

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND90ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/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 cancer.

ppt = parts per trillion

All test results

Date Lab ID Result
2014-09-22201409240418AMND
2014-09-22201409240416AMND
2014-09-22201409240534AMND
2014-09-22201409240412AMND
2014-09-23201409250515AMND
2014-09-23201409250525AMND
2014-09-23201409250638AMND
2014-09-23201409250596AMND
2014-09-24201409260328AMND
2015-03-16201503180707AMND
2015-03-16201503180807AMND
2015-03-16201503180809AMND
2015-03-16201503180471AMND
2015-03-17201503190483AMND
2015-03-17201503190566AMND
2015-03-17201503190512AMND
2015-03-18201503200254AMND
2015-03-18201503200243AMND