Know Your Environment. Protect Your Health.

Perfluorotridecanoic acid (PFTrDA)

Grosse Pointe, City of

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

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND80ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND40ND

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

Date Lab ID Result
2018-07-17SWEF1807171020GSCND
2019-04-30SWEF1904301405GSCND
2019-05-30SWEF1905300855MKND
2019-06-28SWIN1906280740GSCND
2019-06-28SWEF1906280750GSCND
2019-07-30SWIN1907300815MKND
2019-07-30SWEF1907300820MKND
2019-08-27SWEF1908271200GSCND
2019-09-24SWEF1909241205GSCND
2020-10-073649740002ND
2021-02-173675770001ND
2022-03-223764280001ND
2023-01-183832000001ND
2024-01-16112015PND
2024-04-16115513PND
2024-07-16118646PND