Know Your Environment. Protect Your Health.

Perfluorotridecanoic acid (PFTrDA)

City of Woodway

NOTE: City of Woodway purchases water from City of Waco which is required to test for perfluorotridecanoic acid (pftrda). Sample information shown below was taken by City of Waco.

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.

 

8

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
2021N/A00N/A
2022N/A00N/A
2023ND20ND
2024ND60ND

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: City of Woodway purchases water from City of Waco which is required to test for perfluorotridecanoic acid (pftrda). Sample information shown below was taken by City of Waco.

Date Lab ID Result
2023-10-26Q2346098001ND
2023-10-26Q2346098003ND
2024-01-12Q2401505001ND
2024-01-12Q2401505003ND
2024-04-19Q2418077001ND
2024-04-19Q2418077003ND
2024-07-17Q2430442001ND
2024-07-17Q2430442003ND