Know Your Environment. Protect Your Health.

Perfluorodecanoic acid (PFDA)

Petersburgh Water District

Perfluorodecanoic acid (PFDA) is a member of a group of perfluorinated chemicals used in many consumer products. PFDA 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.

 

33

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
2020N/A00N/A
2021ND10ND
2022ND100ND
2023ND220ND

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 PFDA was defined by EPA's toxicity value 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
2021-10-22410-60482-5ND
2022-03-25410-77921-3ND
2022-03-25410-77921-2ND
2022-03-25410-77921-1ND
2022-07-29PB0489072922-POSTND
2022-07-29PB0489072922-PREND
2022-08-26410-96106-6ND
2022-08-26410-96106-2ND
2022-10-29410-103907-5ND
2022-11-15410-106314-3ND
2022-12-22410-110493-5ND
2023-01-12PB0489011223ND
2023-03-30PB048903323 PRE513ND
2023-04-27PB0489033023 MID514ND
2023-04-27PB0489042723 PRE 513ND
2023-04-27PB0489042723 MID514ND
2023-05-19PB0489051923-PREND
2023-05-19PB0489051923-MIDND
2023-06-07PB0489060723-PREND
2023-06-07PB0489060723-MIDND
2023-07-28PB0489072823MIDND
2023-07-28PB0489072823PREND
2023-08-07PB0489080723PREND
2023-08-07PB0489080723POSTND
2023-08-07PB0489080723MID-2ND
2023-09-22PB0489092223PRE513ND
2023-09-22PB0489092223POST515ND
2023-09-29PB0489092923POSTND
2023-10-27PB0489102723POST515ND
2023-10-27PB0489102723PRE513ND
2023-11-15410-151526-5-PREND
2023-12-20PB0489122023PREND
2023-12-20PB0489122023POSTND