Know Your Environment. Protect Your Health.

Perfluorooctane sulfonate (PFOS)

Sandridge 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.

 

32

Samples

0

Samples exceeding legal limit (MCL)

19

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
202112.8 ppt129ND - 45.7 ppt
20225.88 ppt114ND - 25.0 ppt
20231.83 ppt96ND - 12.0 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
2021-02-221Q PFAS/1,4D W1 W26.20 ppt
2021-02-221Q PFAS/1,4D W3 W417.0 ppt
2021-05-062Q PFAS/1,4D W4ND
2021-05-062Q PFAS/1,4D W38.10 ppt
2021-06-232QPFAS/1,4D W218.1 ppt
2021-06-232Q PFAS/1,4D W118.4 ppt
2021-08-313QPFAS/1,4D W218.3 ppt
2021-08-313QPFAS/1,4D W145.7 ppt
2021-12-03R2112717-004ND
2021-12-03R2112717-003ND
2021-12-03R2112717-00213.0 ppt
2021-12-03R2112717-0019.20 ppt
2022-02-17R2201440-00222.0 ppt
2022-02-17R2201440-003ND
2022-02-17R2201440-004ND
2022-02-17R2201440-00112.0 ppt
2022-09-22R2209039-002ND
2022-09-22R2209039-003ND
2022-09-22R220903925.0 ppt
2022-09-22R2209039-001ND
2022-12-30R2212380B5.70 ppt
2022-12-30R22123880ND
2022-12-30R2212380-AND
2023-03-28R2302581-1ND
2023-03-28R2302581-2ND
2023-03-28R2302581ND
2023-06-28R230579012.0 ppt
2023-06-28R2305790-10.610 ppt
2023-09-19R2308571-10.850 ppt
2023-09-19R2308571-31.30 ppt
2023-09-19R2308571-20.630 ppt
2023-12-18R23116971.10 ppt