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EWG's Tap Water Database — 2021 UPDATE

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Perfluorotetradecanoic acid (PFTA)

Sacramento Suburban Water District

Perfluorotetradecanoic acid (PFTA) is a member of a group of perfluorinated chemicals used in many consumer products. PFTA 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.

MORE ABOUT THIS CONTAMINANT

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019ND190ND

ppt = parts per trillion

State and national drinking water standards and health guidelines

EWG Health Guideline 1 ppt

The EWG Health Guideline of 1 ppt for PFTA was defined by EWG as based on studies by Phillipe Grandjean of Harvard University and many other independent researchers who found reduced effectiveness of vaccines and adverse impacts on mammary gland development from exposure to PFOA and PFOS, the two PFAS most widely detected in drinking water. This health guideline protects against applies to the entire class of PFCs detected in water.

ppt = parts per trillion

All test results

Date Lab ID Result
2019-06-139590-002-1217ND
2019-06-139590-034-1040ND
2019-06-139590-073-1256ND
2019-06-139590-054-1121ND
2019-06-139590-070-1327ND
2019-06-139590-069-0909ND
2019-09-199590-002-1404ND
2019-09-199590-073-1336ND
2019-09-199590-070-1033ND
2019-09-199590-069-1009ND
2019-09-199590-054-1224ND
2019-09-199590-034-1207ND
2019-12-059590-130-1400ND
2019-12-179590-054-1103ND
2019-12-179590-069-0915ND
2019-12-179590-034-1113ND
2019-12-179590-070-1310ND
2019-12-179590-002-1435ND
2019-12-179590-073-1453ND