Know Your Environment. Protect Your Health.

Perfluorooctane sulfonate (PFOS)

Rensselaer City Public Water Supply

NOTE: Rensselaer City Public Water Supply purchases water from City of Troy Public Utilities which is required to test for perfluorooctane sulfonate (pfos). Sample information shown below was taken by City of Troy Public Utilities.

Perfluorooctane sulfonate (PFOS) is a member of a group of perfluorinated chemicals used in many consumer products. PFOS 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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020ND40ND
2021ND70ND
2022ND40ND
2023ND60ND
2024ND30ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.3 ppt

The EWG Health Guideline of 0.3 ppt for PFOS was defined by EPA's final toxicity value from the Office of Water’s Final Human Health Toxicity Assessment. This health guideline protects againat cardiovascular harm and harm to fetal growth.

EPA Maximum Contaminant
Level (MCL): 4 ppt

ppt = parts per trillion

All test results

NOTE: Rensselaer City Public Water Supply purchases water from City of Troy Public Utilities which is required to test for perfluorooctane sulfonate (pfos). Sample information shown below was taken by City of Troy Public Utilities.

Date Lab ID Result
2020-03-1070124751002ND
2020-03-10701247501001ND
2020-06-1070134183002ND
2020-06-1070134183001-RAWND
2021-03-0270164582001ND
2021-03-0270164582002ND
2021-06-0370175624002ND
2021-06-0370175624001ND
2021-09-0170186242002ND
2021-09-0170196242001ND
2021-12-0770197342002ND
2022-06-0670217499002ND
2022-06-0670217499001ND
2022-12-1470240094001ND
2022-12-1470240094003ND
2023-05-1370259758ND
2023-06-1370259758003ND
2023-09-0670269759003ND
2023-09-0670269759005ND
2023-12-1270280761ND
2023-12-1270280761-PFOS2ND
2024-05-1435879582001SE1ND