Know Your Environment. Protect Your Health.

Perfluoroheptanoic acid (PFHPA)

Ringwood Water 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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND100ND
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
20183.12 ppt20202.10 ppt - 5.30 ppt
20190.967 ppt62ND - 3.00 ppt
20201.31 ppt126ND - 3.10 ppt
20212.07 ppt1411ND - 3.90 ppt
20222.19 ppt2420ND - 3.87 ppt
20232.03 ppt2419ND - 3.67 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
2013-01-22100225QND
2013-01-22100226PND
2013-01-22100227PND
2013-01-22100228PND
2013-04-22101054PND
2013-07-24101652PND
2013-07-24101653PND
2013-07-24101654PND
2013-09-04102014RND
2013-11-04102538QND
2019-02-1842063293.00 ppt
2019-02-184206331ND
2019-02-184206333ND
2019-05-3043127192.80 ppt
2019-05-304312721ND
2019-05-304312723ND