Know Your Environment. Protect Your Health.

Perfluoroheptanoic acid (PFHPA)

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Perfluoroheptanoic 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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.50 ppt21ND - 3.00 ppt
20192.00 ppt43ND - 3.00 ppt
2020ND60ND
20210.400 ppt51ND - 2.00 ppt
20221.000 ppt21ND - 2.00 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 perfluoroheptanoic acid was defined by EPA's recommended application of the toxicity value for PFHxA published in the Integrated Risk Information System’s toxicological review. This health guideline harm to fetal growth and child development.

ppt = parts per trillion

All test results

Date Lab ID Result
2018-09-27GWEF1809271430KERND
2018-09-27GWEF1809271400KER3.00 ppt
2019-03-28GWEF1903280910KER2.00 ppt
2019-06-19GWEF1906191450MK3.00 ppt
2019-09-18GWEF1909180900MK3.00 ppt
2019-12-19GWEF1912191000KEMND
2020-03-26GWEF2003261110SKND
2020-06-30GWEF2006301345MKND
2020-10-06GWEF2010061325MKND
2020-10-06LJ27931ND
2020-10-06LJ27926ND
2020-10-06GWEF2010061320MKND
2021-03-23LJ48853ND
2021-03-23LJ48854ND
2021-04-27LJ53583ND
2021-09-232109D25-01ND
2021-10-19LJ853312.00 ppt
2022-04-20LK093822.00 ppt
2022-04-20LK09384ND