Know Your Environment. Protect Your Health.

Perfluoroheptanoic acid (PFHPA)

Enclave At Boxborough

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND20ND
20220.0980 ppt172ND - 0.876 ppt
20230.234 ppt112ND - 1.46 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 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
2021-01-14ND
2021-12-20ND
2022-01-24ND
2022-02-28ND
2022-02-28ND
2022-04-13ND
2022-06-21ND
2022-06-210.876 ppt
2022-06-21ND
2022-06-210.788 ppt
2022-07-25ND
2022-07-25ND
2022-07-25ND
2022-09-08ND
2022-09-08ND
2022-09-08ND
2022-10-19ND
2022-10-19ND
2022-10-19ND
2023-01-06ND
2023-01-06ND
2023-01-06ND
2023-04-12ND
2023-04-121.11 ppt
2023-04-121.46 ppt
2023-04-12ND
2023-04-12ND
2023-10-23ND
2023-10-23ND
2023-10-23ND