Know Your Environment. Protect Your Health.

Perfluorooctane sulfonate (PFOS)

NJ American Water - Frenchtown

Perfluorooctane sulfonate (PFOS) is a member of a group of perfluorinated chemicals used in many consumer products. PFOS 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.

 

33

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
20190.175 ppt121ND - 2.10 ppt
2020ND120ND
2021ND30ND
20220.833 ppt31ND - 2.50 ppt
20230.967 ppt31ND - 2.90 ppt

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.3 ppt

The EWG Health Guideline of 0.3 ppt for PFOS 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
2019-02-2643035501ND
2019-02-2643035401ND
2019-02-2643035301ND
2019-05-1444231801ND
2019-05-1444231901ND
2019-05-1444231701ND
2019-08-1245893501ND
2019-08-1245893601ND
2019-08-1245893401ND
2019-11-0847240101ND
2019-11-0847239901ND
2019-11-14472400012.10 ppt
2020-02-2448541201ND
2020-02-2448541001ND
2020-02-2448541101ND
2020-04-2049964301ND
2020-04-2049964201ND
2020-04-2049964401ND
2020-08-1351389401ND
2020-08-1351389201ND
2020-08-1351389301ND
2020-10-2052498101ND
2020-11-1852497901ND
2020-11-1852498001ND
2021-03-0153401501ND
2021-11-2356678801ND
2021-11-2356678701ND
2022-02-2257760001ND
2022-11-1660976101ND
2022-11-16608276012.50 ppt
2023-02-2261935901ND
2023-11-1468432001ND
2023-12-22687615012.90 ppt