Know Your Environment. Protect Your Health.

Perfluorohexane sulfonate (PFHXS)

Blackland Water Supply Corporation

NOTE: Blackland Water Supply Corporation purchases water from City of Rockwall which is required to test for perfluorohexane sulfonate (pfhxs). Sample information shown below was taken by City of Rockwall.

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
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND80ND
2024N/A00N/A

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: Blackland Water Supply Corporation purchases water from City of Rockwall which is required to test for perfluorohexane sulfonate (pfhxs). Sample information shown below was taken by City of Rockwall.

Date Lab ID Result
2013-06-13Q1302538001ND
2013-09-25Q1308241001ND
2013-12-16Q1317765001ND
2014-03-27Q1409938001ND