Know Your Environment. Protect Your Health.

Perfluorooctane sulfonate (PFOS)

Texas State Technical College - Waco

NOTE: Texas State Technical College - Waco purchases water from City of Waco which is required to test for perfluorooctane sulfonate (pfos). Sample information shown below was taken by City of Waco.

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.

 

8

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
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND20ND
2024ND20ND

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: Texas State Technical College - Waco purchases water from City of Waco which is required to test for perfluorooctane sulfonate (pfos). 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