Know Your Environment. Protect Your Health.

Perfluoroheptanoic acid (PFHPA)

Saukville Waterworks

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)

6

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
20220.801 ppt95ND - 2.10 ppt
20231.02 ppt1210ND - 2.40 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
2022-06-21626434001ND
2022-06-21626436001ND
2022-06-21626728001ND
2022-06-216267310012.10 ppt
2022-06-27627498001ND
2022-07-196320260011.87 ppt
2022-07-216325950010.938 ppt
2022-09-2013380501.000 ppt
2022-09-2013380521.30 ppt
2023-05-15CB05165-09ND
2023-05-15CB05165-070.680 ppt
2023-05-15CB05165-110.580 ppt
2023-05-15CB05165-03ND
2023-05-16CB05165-051.000 ppt
2023-05-16CB05165-012.40 ppt
2023-08-02CB09089-050.600 ppt
2023-08-02CB09089-031.000 ppt
2023-08-02CB09089-012.20 ppt
2023-10-11CB12645-050.610 ppt
2023-10-11CB12645-030.970 ppt
2023-10-11CB12645-012.20 ppt