Know Your Environment. Protect Your Health.

Perfluorooctane sulfonate (PFOS)

Crockery Mobile Home Park

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND40ND
2020ND60ND
20211.53 ppt83ND - 5.00 ppt
2022ND20ND
20232.20 ppt112.20 ppt

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

Date Lab ID Result
2018-09-20GWNT1809201330KERND
2018-09-20GWNT1809201345KERND
2019-03-27GWNT1903271115KERND
2019-06-17GWNT1906171310RLND
2019-09-16GWNT1909160930GGAND
2019-12-17GWNT1912170850KMEND
2020-03-24GWNT2003241435GGAND
2020-06-29GWNT2006291130GGAND
2020-10-05LJ28015ND
2020-10-05LJ28014ND
2020-10-05GWNT2010051320GGAND
2020-10-05GWNT2010051300GGAND
2021-02-02ND
2021-02-022102122-01ND
2021-03-125.00 ppt
2021-03-122103617-01 PFAS5.00 ppt
2021-06-112106825-012.20 ppt
2021-09-27ND
2021-09-272109F09-01ND
2021-11-082111405-01ND
2022-09-062209242-01-PFASND
2022-09-06ND
2023-08-302.20 ppt