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EWG's Tap Water Database — 2019 UPDATE

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Perfluorooctanoic acid (PFOA)

Aqua Pa Uwchlan

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.

 

16

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
2014N/A00N/A
2015ND160ND
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
2015-03-25201503280122AMND
2015-03-25201503280124AMND
2015-03-25201503280120AMND
2015-03-25201503270296AMND
2015-03-25201503280171AMND
2015-03-25201503280126AMND
2015-03-25201503280173AMND
2015-06-04201506090623AMND
2015-09-16201509200071AMND
2015-09-16201509200073AMND
2015-09-16201509200069AMND
2015-09-16201509200067AMND
2015-09-16201509180531AMND
2015-09-16201509180535AMND
2015-09-16201509180533AMND
2015-12-11201512150191AMND