Know Your Environment. Protect Your Health.

Perfluorohexane sulfonate (PFHXS)

Nashville Rural Water Association

NOTE: Nashville Rural Water Association purchases water from Nashville Waterworks which is required to test for perfluorohexane sulfonate (pfhxs). Sample information shown below was taken by Nashville Waterworks.

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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

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
2023ND40ND
2024ND30ND

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

NOTE: Nashville Rural Water Association purchases water from Nashville Waterworks which is required to test for perfluorohexane sulfonate (pfhxs). Sample information shown below was taken by Nashville Waterworks.

Date Lab ID Result
2023-01-11100051PND
2023-04-12102822PND
2023-07-19105557PND
2023-12-19111426RND