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EWG's Tap Water Database — 2021 UPDATE

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Perfluorooctanoic acid (PFOA)

City of Nampa

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)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND260ND
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 Proposed Maximum Contaminant
Level (MCL) 4 ppt

The proposed legal limit for PFOA is 4 ppt, based on studies on people, including children, showing cancer risk.

ppt = parts per trillion

All test results

Date Lab ID Result
2014-01-29140131024-006ND
2014-01-29140131024-011ND
2014-01-29140131024-016ND
2014-01-29140131024-005ND
2014-01-29140131024-010ND
2014-01-30140131024-009ND
2014-01-30140131024-007ND
2014-01-30140131024-015ND
2014-01-30140131024-017ND
2014-01-30140131024-008ND
2014-01-30140131024-012ND
2014-01-30140131024-013ND
2014-01-30140131024-014ND
2014-07-21140723034-009ND
2014-07-21140723034-008ND
2014-07-21140723034-006ND
2014-07-21140723034-007ND
2014-07-21140723034-005ND
2014-07-21140723034-015ND
2014-07-21140723034-014ND
2014-07-21140723034-010ND
2014-07-21140723034-017ND
2014-07-21140723034-016ND
2014-07-21140723034-011ND
2014-07-21140723034-012ND
2014-07-21140723034-013ND