Know Your Environment. Protect Your Health.

Perfluorohexane sulfonate (PFHXS)

Hanson Water Department

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

10

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
20201.94 ppt990.622 ppt - 3.91 ppt
20210.755 ppt660.570 ppt - 0.930 ppt
20220.807 ppt330.750 ppt - 0.860 ppt
20230.990 ppt110.990 ppt

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
2021-10-180.580 ppt
2021-10-180.670 ppt
2021-10-180.880 ppt
2021-10-180.930 ppt
2021-10-180.570 ppt
2021-11-290.900 ppt
2022-01-190.810 ppt
2022-04-250.750 ppt
2022-07-290.860 ppt
2023-07-240.990 ppt