Know Your Environment. Protect Your Health.

Perfluorotridecanoic acid (PFTrDA)

Middleton Water Department

NOTE: Middleton Water Department purchases water from Danvers Water Department which is required to test for perfluorotridecanoic acid (pftrda). Sample information shown below was taken by Danvers Water Department.

Perfluorotridecanoic acid (PFTrDA) is a member of a group of perfluorinated chemicals used in many consumer products. PFTrDA 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
2021ND90ND
2022ND70ND
2023ND150ND
2024ND30ND

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 PFTrDA was based on 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

NOTE: Middleton Water Department purchases water from Danvers Water Department which is required to test for perfluorotridecanoic acid (pftrda). Sample information shown below was taken by Danvers Water Department.

Date Result
2021-04-26ND
2021-04-26ND
2021-04-26ND
2021-04-26ND
2021-07-07ND
2021-07-07ND
2021-08-03ND
2021-09-02ND
2021-10-17ND
2022-01-26ND
2022-03-01ND
2022-04-12ND
2022-07-18ND
2022-10-11ND
2022-11-21ND
2022-12-07ND
2023-01-06ND
2023-01-09ND
2023-02-13ND
2023-03-15ND
2023-04-11ND
2023-04-11ND
2023-05-03ND
2023-06-07ND
2023-07-10ND
2023-07-11ND
2023-07-12ND
2023-08-10ND
2023-10-12ND
2023-10-13ND
2023-12-18ND
2024-01-31ND
2024-04-10ND