Know Your Environment. Protect Your Health.

Perfluorohexane sulfonate (PFHXS)

Collegeville Trappe Joint Public Works 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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

13

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
2020ND10ND
2021ND10ND
2022N/A00N/A
20231.48 ppt2413ND - 4.44 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 Lab ID Result
2020-02-11ND
2021-01-12ND
2023-03-20102424P4.20 ppt
2023-03-20102420PND
2023-03-21102418PND
2023-03-21102421PND
2023-03-21102419PND
2023-03-22102423PND
2023-03-22102422P3.10 ppt
2023-08-2129496142.003.09 ppt
2023-08-2129496143.003.25 ppt
2023-09-18108066P4.10 ppt
2023-09-18108065PND
2023-09-18108060PND
2023-09-18108062PND
2023-09-20108061PND
2023-09-20108063PND
2023-12-0430244432.001.77 ppt
2023-12-0430244433.001.88 ppt
2023-12-0430244436.002.19 ppt
2023-12-0430244437.004.44 ppt
2023-12-0430244435.001.99 ppt
2023-12-0430244434.001.96 ppt
2023-12-1830244754.001.81 ppt
2023-12-1830244752.00ND
2023-12-1830244753.001.78 ppt