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EWG's Tap Water Database — 2021 UPDATE

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Perfluorooctanoic acid (PFOA)

Northern Kentucky Water District

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND50ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019ND20ND

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
2014-08-263092505ND
2014-08-263092477ND
2014-08-263092490ND
2014-11-183141501ND
2014-11-183141477ND
2015-02-243194235ND
2015-02-243194266ND
2015-05-203246626ND
2015-05-203246456ND
2015-05-203246506ND
2019-06-10AQ02379ND
2019-06-10AQ02381ND