Know Your Environment. Protect Your Health.

Perfluoroundecanoic acid (PFUnA)

Hopedale Water Department

Perfluoroundecanoic acid (PFUnA) is a member of a group of perfluorinated chemicals used in many consumer products. PFUnA and other 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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND160ND
2021ND20ND
2022ND30ND
2023ND30ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.006 ppt

The EWG Health Guideline of 0.006 ppt for PFUnA was based the EPA's recommended application of the toxicity value for PFDA published in the Integrated Risk Information System’s toxicological review. This health guideline protects against harm to the immune system and harm to fetal growth and child development.

ppt = parts per trillion

All test results

Date Result
2020-10-28ND
2020-10-28ND
2020-10-28ND
2020-10-28ND
2020-10-28ND
2020-10-28ND
2020-10-28ND
2020-11-09ND
2020-11-09ND
2020-11-09ND
2020-11-09ND
2020-11-09ND
2020-11-09ND
2020-11-09ND
2020-11-09ND
2020-11-09ND
2021-10-07ND
2021-11-16ND
2022-01-12ND
2022-04-05ND
2022-07-19ND
2023-11-16ND
2023-11-16ND
2023-11-16ND