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EWG's Tap Water Database — 2021 UPDATE

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Perfluorooctanoic acid (PFOA)

Aqua Water Supply Corporation

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
2015ND120ND
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
2014-10-21Q1453268007ND
2014-10-21Q1453268003ND
2014-10-21Q1453268001ND
2014-10-21Q1453268011ND
2014-10-21Q1453268005ND
2014-10-21Q1453268009ND
2014-10-22Q1453576007ND
2014-10-22Q1453576003ND
2014-10-22Q1453576001ND
2014-10-22Q1453576011ND
2014-10-22Q1453576009ND
2014-10-22Q1453576005ND
2015-04-13Q1513588009ND
2015-04-13Q1513588005ND
2015-04-13Q1513588001ND
2015-04-13Q1513588003ND
2015-04-13Q1513588007ND
2015-04-14Q1513703013ND
2015-04-14Q1513703009ND
2015-04-14Q1513703011ND
2015-04-14Q1513703005ND
2015-04-14Q1513703001ND
2015-04-14Q1513703003ND
2015-04-14Q1513703007ND