Know Your Environment. Protect Your Health.

Perfluoroheptanoic acid (PFHPA)

Clare, City of

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND40ND
2020ND40ND
20210.600 ppt41ND - 2.40 ppt
2022ND40ND
2023ND10ND

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
2018-11-12GWEF1811120900GGAND
2019-04-05GWEF1904051100GGAND
2019-06-28GWEF1906281405STND
2019-09-26GWEF1909261425MKND
2019-12-18GWEF1912181230KMEND
2020-03-30GWEF2003301055SKND
2020-07-06GWEF2007061105MKND
2020-10-08GWEF2010081330GGAND
2020-10-08LJ28033 PFASND
2021-03-0321C0145-01 PFASND
2021-04-072104443-01 PFAS2.40 ppt
2021-07-0721G0309-01 PFASND
2021-10-062110507-01 PFASND
2022-01-1222A0380-305 PFASND
2022-04-132204A21-01 PFASND
2022-07-1322G0784 PFASND
2022-10-0522J0245 PFASND
2023-01-0423A0211-01 PFASND