Know Your Environment. Protect Your Health.

Perfluoroheptanoic acid (PFHPA)

Monroe Water System

NOTE: Monroe Water System purchases water from City of Everett Public Works Department which is required to test for perfluoroheptanoic acid (pfhpa). Sample information shown below was taken by City of Everett Public Works Department.

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

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
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND30ND
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

NOTE: Monroe Water System purchases water from City of Everett Public Works Department which is required to test for perfluoroheptanoic acid (pfhpa). Sample information shown below was taken by City of Everett Public Works Department.

Date Lab ID Result
2023-02-234569021ND
2023-02-234569020ND
2023-05-164569019ND
2023-05-164569022ND
2023-08-154569023ND
2023-08-154569017ND
2023-11-074569024ND
2023-11-074569018ND