Know Your Environment. Protect Your Health.

Perfluoroheptanoic acid (PFHPA)

City of Tumwater

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.

 

16

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
2021N/A00N/A
2022ND60ND
2023ND100ND

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
2022-01-254255623ND
2022-01-254255622ND
2022-01-254255624ND
2022-05-054286080ND
2022-05-054286078ND
2022-07-274394999ND
2023-05-18K2305674-001ND
2023-05-18K2305674-003ND
2023-05-18K2305674-005ND
2023-05-18K2305674-007ND
2023-05-18K2305674-009ND
2023-10-19K2311994-001ND
2023-10-19K2311994-003ND
2023-10-19K2311994-005ND
2023-10-19K2311994-007ND
2023-10-19K2311994-009ND