Know Your Environment. Protect Your Health.

Perfluoroundecanoic acid (PFUnA)

Groveland 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.

 

49

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
20210.0230 ppt221ND - 0.510 ppt
20220.0270 ppt161ND - 0.437 ppt
2023ND90ND
2024ND20ND

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
2021-01-07ND
2021-01-07ND
2021-01-07ND
2021-01-07ND
2021-01-07ND
2021-02-01ND
2021-02-01ND
2021-02-01ND
2021-03-09ND
2021-03-09ND
2021-05-030.510 ppt
2021-06-03ND
2021-07-06ND
2021-07-06ND
2021-07-06ND
2021-07-06ND
2021-08-02ND
2021-09-01ND
2021-10-04ND
2021-10-04ND
2021-11-05ND
2021-12-06ND
2022-01-06ND
2022-01-06ND
2022-02-07ND
2022-03-03ND
2022-04-01ND
2022-04-01ND
2022-05-02ND
2022-06-02ND
2022-07-06ND
2022-07-06ND
2022-08-02ND
2022-09-06ND
2022-10-03ND
2022-10-03ND
2022-11-08ND
2022-12-050.437 ppt
2023-01-05ND
2023-01-05ND
2023-02-07ND
2023-05-05ND
2023-05-05ND
2023-07-06ND
2023-07-06ND
2023-10-05ND
2023-10-05ND
2024-04-16ND
2024-04-16ND