Know Your Environment. Protect Your Health.

Perfluorooctanoic acid (PFOA)

Fremont

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.

 

44

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.250 ppt81ND - 2.00 ppt
2019N/A00N/A
2020ND60ND
2021ND120ND
2022ND120ND
20230.333 ppt61ND - 2.00 ppt

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.09 ppt

The EWG Health Guideline of 0.09 ppt for PFOA was was defined by EPA's final toxicity value from the Office of Water’s Final Human Health Toxicity Assessment. This health guideline protects againat cardiovascular harm and harm to fetal growth.

EPA Maximum Contaminant
Level (MCL): 4 ppt

ppt = parts per trillion

All test results

Date Lab ID Result
2018-07-11GWIN1807111230GGAND
2018-07-11GWIN1807111340GGAND
2018-07-11GWIN1807111350GGAND
2018-07-11GWIN1807111200GGAND
2018-07-11GWIN1807111310GGA2.00 ppt
2018-07-11GWIN1807111300GGAND
2018-07-11GWIN1807111220GGAND
2018-07-11GWIN1807111210GGAND
2020-11-102011464-03ND
2020-11-102011464-01ND
2020-11-102011464-09ND
2020-11-102011464-05ND
2020-11-102011464-07ND
2020-11-102011464-11ND
2021-07-27ND
2021-07-272107E34-07ND
2021-07-272107E34-11ND
2021-07-27ND
2021-07-27ND
2021-07-27ND
2021-07-27ND
2021-07-27ND
2021-07-272107E34-01ND
2021-07-272107E34-03ND
2021-07-272107E34-05ND
2021-07-272107E34-09ND
2022-06-272206J82-09ND
2022-06-272206J82-11ND
2022-06-272206J82-01ND
2022-06-272206J82-03ND
2022-06-272206J82-07ND
2022-06-27ND
2022-06-27ND
2022-06-27ND
2022-06-27ND
2022-06-27ND
2022-07-19ND
2022-07-192207D72-01ND
2023-04-24ND
2023-04-242.00 ppt
2023-04-24ND
2023-04-25ND
2023-04-25ND
2023-04-25ND