Know Your Environment. Protect Your Health.

Perfluorohexane sulfonate (PFHXS)

Upton DPW Water/wastewater Division

Perfluorohexane sulfonate is a member of a group of perfluorinated chemicals used in many consumer products. 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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
20210.278 ppt103ND - 1.26 ppt
20220.211 ppt93ND - 0.730 ppt
2023ND80ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.001 ppt

The EWG Health Guideline of 0.001 ppt for perfluorohexane sulfonate was defined by EPA's toxicity value published in the Integrated Risk Information System's toxicological review. This health guideline harm to the developing immune system.

EPA Maximum Contaminant
Level (MCL): 10 ppt

ppt = parts per trillion

All test results

Date Result
2021-08-24ND
2021-08-24ND
2021-08-24ND
2021-08-240.713 ppt
2021-08-24ND
2021-08-24ND
2021-08-24ND
2021-08-241.26 ppt
2021-08-24ND
2021-10-270.806 ppt
2022-01-26ND
2022-01-260.523 ppt
2022-01-26ND
2022-04-26ND
2022-04-260.650 ppt
2022-04-260.730 ppt
2022-07-28ND
2022-07-28ND
2022-07-28ND
2023-06-07ND
2023-06-07ND
2023-06-07ND
2023-07-31ND
2023-10-26ND
2023-12-06ND
2023-12-06ND
2023-12-06ND