Know Your Environment. Protect Your Health.

Perfluoroheptanoic acid (PFHPA)

Golden State Water Company - Cowan Heights

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
20204.75 ppt224.10 ppt - 5.40 ppt
2021N/A00N/A
2022N/A00N/A
20234.60 ppt224.40 ppt - 4.80 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 Lab ID Result
2014-02-19104838PND
2014-02-19104839PND
2014-05-20106914QND
2014-08-19108810PND
2014-08-19108811PND
2014-11-19109646PND
2020-08-18CA3010047_019_019-2020081811354.10 ppt
2020-12-08CA3010047_019_019-2020120812105.40 ppt
2023-12-21CA3010047_019_019-2023122111154.80 ppt
2023-12-21CA3010047_019_019-2023122111204.40 ppt