Know Your Environment. Protect Your Health.

Perfluoropentanoic Acid (PFPeA)

Whitworth Water District 2

Perfluoropentanoic Acid (PFPeA) is a member of a group of perfluorinated chemicals used in many consumer products. PFOS and other 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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

5

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
2021N/A00N/A
2022N/A00N/A
20230.722 ppt133ND - 3.20 ppt
20240.660 ppt102ND - 3.50 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 PFPeA 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 protects against harm to fetal growth and child development.

ppt = parts per trillion

All test results

Date Lab ID Result
2023-10-164538490ND
2023-10-164538492ND
2023-10-164538491ND
2023-10-1745400993.00 ppt
2023-10-1745400823.20 ppt
2023-10-174540090ND
2023-10-184540071ND
2023-10-184540076ND
2023-10-234539605ND
2023-10-234539354ND
2023-10-2345393553.19 ppt
2023-10-244538610ND
2023-10-244538611ND
2024-01-22WEA0608-01ND
2024-04-01WED0034-02ND
2024-04-01WED0034-03ND
2024-04-01WED0034-01ND
2024-04-02WED0144-013.10 ppt
2024-04-02WED0144-033.50 ppt
2024-04-02WED0144-02ND
2024-04-10WED0494-01ND
2024-04-10WED0494-02ND
2024-07-01WEG0044-01ND