Know Your Environment. Protect Your Health.

Perfluorooctane sulfonate (PFOS)

North Cherokee Water Supply Corporation

NOTE: North Cherokee Water Supply Corporation purchases water from City of Jacksonville which is required to test for perfluorooctane sulfonate (pfos). Sample information shown below was taken by City of Jacksonville.

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.

 

14

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
2014ND120ND
2015ND20ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND50ND
2024ND10ND

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: North Cherokee Water Supply Corporation purchases water from City of Jacksonville which is required to test for perfluorooctane sulfonate (pfos). Sample information shown below was taken by City of Jacksonville.

Date Lab ID Result
2014-05-14201405160299AMND
2014-05-14201405160373AMND
2014-05-14201405160434AMND
2014-05-14201405160371AMND
2014-05-14201405160361AMND
2014-08-21201408220513AMND
2014-11-18201411190272AMND
2014-11-18201411190298AMND
2014-11-18201411190466AMND
2014-11-18201411190579AMND
2014-11-18201411190427AMND
2014-11-18201411190586AMND
2015-02-26201502270199AMND
2015-02-26201502270193AMND