Know Your Environment. Protect Your Health.

Perfluorohexanoic Acid (PFHxA)

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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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

18

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20189.00 ppt223.00 ppt - 15.0 ppt
201911.8 ppt4411.0 ppt - 14.0 ppt
20204.67 ppt64ND - 8.00 ppt
20214.61 ppt75ND - 7.00 ppt
20223.00 ppt42ND - 6.00 ppt
20233.50 ppt21ND - 7.00 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 Lab ID Result
2018-09-27GWEF1809271430KER3.00 ppt
2018-09-27GWEF1809271400KER15.0 ppt
2019-03-28GWEF1903280910KER11.0 ppt
2019-06-19GWEF1906191450MK14.0 ppt
2019-09-18GWEF1909180900MK11.0 ppt
2019-12-19GWEF1912191000KEM11.0 ppt
2020-03-26GWEF2003261110SK8.00 ppt
2020-06-30GWEF2006301345MK8.00 ppt
2020-10-06LJ27931ND
2020-10-06LJ279266.00 ppt
2020-10-06GWEF2010061325MKND
2020-10-06GWEF2010061320MK6.00 ppt
2021-03-23LJ48854ND
2021-03-23LJ488536.00 ppt
2021-03-23ND
2021-03-236.00 ppt
2021-04-27LJ535837.00 ppt
2021-09-232109D25-016.30 ppt
2021-10-19LJ853317.00 ppt
2022-04-20LK093826.00 ppt
2022-04-20LK09384ND
2022-04-20ND
2022-04-206.00 ppt
2023-06-13ND
2023-06-137.00 ppt