Know Your Environment. Protect Your Health.

Perfluoroheptanoic acid (PFHPA)

NJ American Water - Twin Lakes

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)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
20190.650 ppt41ND - 2.60 ppt
20202.88 ppt442.70 ppt - 3.20 ppt
20212.68 ppt442.50 ppt - 2.80 ppt
20222.70 ppt442.40 ppt - 3.30 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
2018-02-2638710201ND
2018-08-1340729501ND
2018-11-1342056101ND
2019-02-1343034101ND
2019-05-0644230901ND
2019-08-1445892601ND
2019-11-14472393012.60 ppt
2020-02-12485402013.20 ppt
2020-05-05499772012.80 ppt
2020-08-13513885012.70 ppt
2020-11-10524974012.80 ppt
2021-02-10534005012.70 ppt
2021-04-29543558012.50 ppt
2021-08-12557485012.80 ppt
2021-11-01566785012.70 ppt
2022-02-10577590012.50 ppt
2022-05-11585183012.40 ppt
2022-08-11598803012.60 ppt
2022-11-07608274013.30 ppt