Know Your Environment. Protect Your Health.

Perfluoroheptanoic acid (PFHPA)

Upton DPW Water/wastewater Division

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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
20210.487 ppt106ND - 1.04 ppt
20220.174 ppt92ND - 0.830 ppt
2023ND80ND

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 Result
2021-08-24ND
2021-08-24ND
2021-08-240.744 ppt
2021-08-24ND
2021-08-241.04 ppt
2021-08-240.802 ppt
2021-08-240.648 ppt
2021-08-240.798 ppt
2021-08-24ND
2021-10-270.841 ppt
2022-01-26ND
2022-01-26ND
2022-01-26ND
2022-04-26ND
2022-04-260.830 ppt
2022-04-26ND
2022-07-28ND
2022-07-280.740 ppt
2022-07-28ND
2023-06-07ND
2023-06-07ND
2023-06-07ND
2023-07-31ND
2023-10-26ND
2023-12-06ND
2023-12-06ND
2023-12-06ND