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EWG's Tap Water Database — 2021 UPDATE

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Perfluorooctanoic acid (PFOA)

Romeoville

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND70ND
2015ND70ND
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 proposed 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.

EPA Maximum Contaminant
Level (MCL) 4 ppt

ppt = parts per trillion

All test results

Date Lab ID Result
2014-09-0927047101ND
2014-09-0927046701ND
2014-09-0927047001ND
2014-09-0927046601ND
2014-09-0927046901ND
2014-09-0927046801ND
2014-11-1227047201ND
2015-03-1028390201ND
2015-03-1028390001ND
2015-03-1028389701ND
2015-03-1028389801ND
2015-03-1028389601ND
2015-03-1028389901ND
2015-07-1428390101ND