Know Your Environment. Protect Your Health.

Perfluorobutane sulfonate (PFBS)

Twin Creeks Special Service District

Perfluorobutane sulfonate (PFBS) 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.

 

39

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND20ND
20220.252 ppt211ND - 5.30 ppt
2023ND160ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 2,000 ppt

The EWG Health Guideline of 2,000 ppt for perfluorobutane sulfonate was defined by EPA’s Human Health toxicity value. This health guideline hormone disruption and harm to fetal growth and child development.

ppt = parts per trillion

All test results

Date Result
2021-07-20ND
2021-07-20ND
2022-05-11ND
2022-05-115.30 ppt
2022-05-11ND
2022-05-11ND
2022-06-13ND
2022-06-13ND
2022-07-21ND
2022-07-21ND
2022-08-30ND
2022-08-30ND
2022-09-28ND
2022-09-28ND
2022-10-25ND
2022-10-25ND
2022-10-25ND
2022-11-28ND
2022-11-28ND
2022-12-15ND
2022-12-15ND
2022-12-15ND
2022-12-15ND
2023-01-12ND
2023-01-12ND
2023-02-08ND
2023-02-08ND
2023-03-06ND
2023-03-06ND
2023-04-24ND
2023-04-24ND
2023-05-22ND
2023-05-22ND
2023-06-06ND
2023-06-06ND
2023-07-12ND
2023-07-12ND
2023-07-12ND
2023-07-12ND