Know Your Environment. Protect Your Health.

Perfluorohexane sulfonate (PFHXS)

Cross Timbers Water Supply Corporation

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

1

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
2021N/A00N/A
2022N/A00N/A
20230.587 ppt151ND - 8.80 ppt
2024ND10ND

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
2023-03-06102528PND
2023-03-06102530PND
2023-06-14104609R8.80 ppt
2023-06-14104732PND
2023-06-14104733PND
2023-06-14104735PND
2023-06-14104611RND
2023-06-14104736PND
2023-09-19108177PND
2023-09-20108174PND
2023-11-29111044PND
2023-11-29108175PND
2023-11-29111046PND
2023-11-29111047PND
2023-12-18111456RND
2024-02-12112590RND