Know Your Environment. Protect Your Health.

Perfluorohexane sulfonate (PFHXS)

Nob Hill Water Association

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
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
2023ND150ND
2024ND50ND

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
2023-08-144522961ND
2023-08-144522954ND
2023-08-144522957ND
2023-08-144522955ND
2023-08-144522958ND
2023-08-144522959ND
2023-08-144522960ND
2023-08-144522952ND
2023-08-144522953ND
2023-08-144522956ND
2023-10-024531491ND
2023-10-024531496ND
2023-10-024531492ND
2023-10-024531493ND
2023-10-04WDJ0366-01ND
2024-02-08YEB0212-01ND
2024-02-08YEB0212-02ND
2024-06-18YEF0463-01ND
2024-06-18YEF0462-01ND
2024-06-18YEF0461-01ND