Know Your Environment. Protect Your Health.

Perfluoroheptanoic acid (PFHPA)

Ardmore Water System

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.

 

28

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
2020ND60ND
2021N/A00N/A
20220.940 ppt51ND - 4.70 ppt
2023ND120ND
2024ND50ND

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
2020-02-2820144380002_PFASND
2020-02-2820144380003_PFASND
2020-02-2820144380001_PFASND
2020-08-1320167216001_PFASND
2020-08-1320167216002_PFASND
2020-08-1320167216003_PFASND
2022-09-0235744081001_PFASND
2022-09-0235744081002_PFASND
2022-11-2835762245001_PFASND
2022-11-2835762245003_PFASND
2022-12-1335766151001_PFAS4.70 ppt
2023-02-2735782139001_PFASND
2023-02-2735782139003_PFASND
2023-02-2735782139005_PFASND
2023-05-0435797065001_PFASND
2023-05-0435797071001_PFASND
2023-05-0435797065003_PFASND
2023-08-1835821817001_PFASND
2023-08-1835821817003_PFASND
2023-08-1835821819001_PFASND
2023-10-2035836012004_PFASND
2023-10-2035836012005_PFASND
2023-11-0735839705001_PFASND
2024-03-05114098PND
2024-03-05114099PND
2024-03-05114100PND
2024-09-10120544PND
2024-09-10120546PND