Know Your Environment. Protect Your Health.

Perfluoroundecanoic acid (PFUnA)

Allendale 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.

 

93

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND230ND
2020ND260ND
2021ND150ND
2022ND100ND
2023ND150ND
2024ND10ND

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 Lab ID Result
2018-10-152018100180010ND
2018-10-152018100180009ND
2018-11-09201811140598ND
2019-01-16201901180422ND
2019-01-16201901180423ND
2019-01-16201901180424ND
2019-02-12201902140391ND
2019-02-12201902140393ND
2019-02-12201902140395ND
2019-04-17201904180517ND
2019-04-17201904180515ND
2019-04-17201904180509ND
2019-08-19201908200671ND
2019-08-19201908200673ND
2019-08-19201908200675ND
2019-08-19201908200653ND
2019-08-19201908200635ND
2019-08-19201908200637ND
2019-08-19201908200655ND
2019-10-09201910110777ND
2019-10-09201910110773ND
2019-10-09201910110775ND
2019-10-09201910110759ND
2019-10-09201910110757ND
2019-10-09201910110761ND
2019-11-06201911070850ND
2020-01-16202001170220ND
2020-01-16202001170222ND
2020-01-16202001170224ND
2020-01-16202001170226ND
2020-01-16202001170303ND
2020-03-190030939-01ND
2020-04-020040178-01ND
2020-04-020040178-07ND
2020-04-020040178-05ND
2020-04-020040178-03ND
2020-04-020040177-05ND
2020-04-020040177-03ND
2020-04-020040177-01ND
2020-07-020070155-01ND
2020-07-020070155-03ND
2020-07-020070155-05ND
2020-07-020070152-03ND
2020-07-020070152-01ND
2020-07-020070152-05ND
2020-10-080100519-07ND
2020-10-080100518-03ND
2020-10-080100519-03ND
2020-10-080100519-01ND
2020-10-080100518-05ND
2020-10-080100519-05ND
2020-10-080100518-01ND
2021-01-071010338-01ND
2021-01-071010338-04ND
2021-01-071010338-06ND
2021-01-071010337-05ND
2021-01-071010337-01ND
2021-01-071010337-03ND
2021-01-071010337-07ND
2021-04-081040421-04ND
2021-04-081040421-01ND
2021-04-081040421-06ND
2021-07-011070121-01ND
2021-07-011070121-04ND
2021-07-011070121-07ND
2021-10-201101041-01ND
2021-10-201101041-04ND
2022-01-062010302-01ND
2022-01-062010302-02ND
2022-04-072040467-01ND
2022-04-072040467-04ND
2022-07-142070774-02ND
2022-07-142070774-04ND
2022-07-212071102-01ND
2022-10-132100675-01ND
2022-10-132100675-04ND
2022-10-132100675-06ND
2023-01-1223A0664-01ND
2023-01-1223A0664-03ND
2023-01-17100441PND
2023-01-17100440PND
2023-01-17100849PND
2023-04-1323D0677-04ND
2023-04-1323D0677-01ND
2023-04-18104419PND
2023-06-0823F0472-01ND
2023-07-1323G0773-01ND
2023-07-1323G0773-03ND
2023-07-1923G1213-01ND
2023-07-1923G1213-02ND
2023-10-1123J0844-01ND
2023-10-1123J0844-03ND
2024-02-14112146PND