Know Your Environment. Protect Your Health.

Perfluorohexanoic Acid (PFHxA)

Lake County Public Water District

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.

 

10

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
2020ND30ND
2021ND50ND
20220.950 ppt21ND - 1.90 ppt
2023N/A00N/A

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 Lab ID Result
2020-11-094771346ND
2020-12-154797442ND
2020-12-154797444ND
2021-01-194816765ND
2021-10-05810-4275-1ND
2021-10-05810-4275-2ND
2021-10-05810-4275-3ND
2021-10-05810-4275-4ND
2022-02-07810-14325-11.90 ppt
2022-02-28810-16254-1ND