Know Your Environment. Protect Your Health.

Perfluoroheptanoic acid (PFHPA)

City of Tacoma

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND200ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

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
2014-08-06201408070493AMND
2015-03-10201503110935AMND
2015-03-10201503120179AMND
2015-03-10201502170548AMND
2015-06-09201505060001AMND
2015-06-17201505060005AMND
2015-06-29201505020034AMND
2015-07-06201505020035AMND
2015-07-08201507090318AMND
2015-07-09201506300092AMND
2015-07-09201507100395AMND
2015-08-19201508200778AMND
2015-09-09201508050009AMND
2015-09-09201508050013AMND
2015-10-13201509250020AMND
2015-12-01201511130086AMND
2015-12-02201511130082AMND
2015-12-07201511130099AMND
2015-12-07201511130096AMND
2015-12-08201511130098AMND
2015-12-08201511130097AMND