Know Your Environment. Protect Your Health.

Perfluoroheptanoic acid (PFHPA)

Maple Grove

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.

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND90ND
2022ND110ND
20230.303 ppt167ND - 1.000 ppt
2024ND10ND

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
2021-10-2621J1501-02ND
2021-10-2621J1501-03ND
2021-10-2621J1501-04ND
2021-10-2621J1501-05ND
2021-10-2621J1501-06ND
2021-10-2621J1501-07ND
2021-10-2621J1501-08ND
2021-10-2621J1501-09ND
2021-10-2621J1501-01ND
2022-11-0322K0286-10ND
2022-11-0322K0286-11ND
2022-11-0322K0286-09ND
2022-11-0322K0286-08ND
2022-11-0322K0286-07ND
2022-11-0322K0286-05ND
2022-11-0322K0286-04ND
2022-11-0322K0286-03ND
2022-11-0322K0286-02ND
2022-11-0322K0286-01ND
2022-11-0322K0286-06ND
2023-02-2823C0037-010.580 ppt
2023-02-2823C0037-020.820 ppt
2023-02-2823C0037-03ND
2023-02-2823C0037-04ND
2023-02-2823C0037-05ND
2023-04-2423D1333-01ND
2023-04-2423D1339-04ND
2023-04-2423D1335-031.000 ppt
2023-04-2423D1335-01ND
2023-04-2423D1333-02ND
2023-07-1932302481-1ND
2023-08-0823H0647-010.500 ppt
2023-08-0823H0647-020.560 ppt
2023-08-0823H0647-03ND
2023-08-0823H0647-040.920 ppt
2023-08-0823H0647-050.470 ppt
2024-04-0132400941001ND