Know Your Environment. Protect Your Health.

Perfluorohexanoic Acid (PFHxA)

Washington Acres

Perfluorohexanoic acid 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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
20210.850 ppt220.700 ppt - 1.000 ppt
2022ND30ND
20231.59 ppt111.59 ppt

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1,000 ppt

The EWG Health Guideline of 1,000 ppt for perfluorohexanoic acid was defined by EPA's toxicity value published in the Integrated Risk Information System's toxicological review. This health guideline protects against harm to fetal growth and child development.

ppt = parts per trillion

All test results

Date Result
2021-06-151.000 ppt
2021-07-130.700 ppt
2022-01-18ND
2022-04-13ND
2022-07-25ND
2023-04-031.59 ppt