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EWG's Tap Water Database — 2021 UPDATE

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Perfluorooctanoic acid (PFOA)

Northeast Alabama Water System

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20143.16 ppt192ND - 30.0 ppt
201514.3 ppt73ND - 40.0 ppt
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
2014-06-123045957ND
2014-06-123046039ND
2014-06-123046018ND
2014-06-12304597130.0 ppt
2014-06-133045990ND
2014-06-133045944ND
2014-06-133046005ND
2014-09-153106710ND
2014-09-153106416ND
2014-09-163106356ND
2014-09-163106383ND
2014-09-163106643ND
2014-12-163158338ND
2014-12-16315839730.0 ppt
2014-12-163158388ND
2014-12-163158412ND
2014-12-163158433ND
2014-12-163158329ND
2014-12-163158421ND
2015-02-27319769340.0 ppt
2015-03-12320727020.0 ppt
2015-03-12320712940.0 ppt
2015-03-123207109ND
2015-03-123207087ND
2015-03-123207177ND
2015-03-123207156ND