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EWG's Tap Water Database — 2021 UPDATE

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Perfluorooctanoic acid (PFOA)

SJWTX Triple Peak Plant

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND190ND
2014ND10ND
2015N/A00N/A
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
2013-06-18Q1302518001ND
2013-06-18Q1302518009ND
2013-06-18Q1302518011ND
2013-06-18Q1302518017ND
2013-06-18Q1302518003ND
2013-06-19Q1302518013ND
2013-06-19Q1302518005ND
2013-06-19Q1302518015ND
2013-06-19Q1302518007ND
2013-09-25Q1308037001ND
2013-12-16Q1318114007ND
2013-12-16Q1318114009ND
2013-12-16Q1318114001ND
2013-12-16Q1318114003ND
2013-12-16Q1318114015ND
2013-12-17Q1318114005ND
2013-12-17Q1318114017ND
2013-12-17Q1318114011ND
2013-12-17Q1318114013ND
2014-03-31Q1410037001ND