Know Your Environment. Protect Your Health.

Bromochloromethane

City of Tumwater

Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND30ND
2020N/A00N/A
2021N/A00N/A
2022ND50ND
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.06 ppb

The EWG Health Guideline of 0.06 ppb for bromochloromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer, harm to reproduction and child development, and change to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-13WA97-SE1-14-15517-35910ND
2014-08-13WA97-SE1-14-15517-35907ND
2014-08-13WA97-SE1-14-15517-35909ND
2014-08-13WA97-SE1-14-15517-35908ND
2014-08-13WA97-SE1-14-15517-35911ND
2014-08-20WA97-SE1-14-16401-37916ND
2015-02-11WA97-SE2-15-02700-6361ND
2015-02-11WA97-SE2-15-02700-6359ND
2015-02-11WA97-SE1-15-02700-6358ND
2015-02-11WA97-SE2-15-02700-6360ND
2015-02-11WA97-SE1-15-02700-6357ND
2015-02-11WA97-SE1-15-02700-6356ND
2018-10-25ND
2019-07-31ND
2019-08-28ND
2019-08-28ND
2022-08-254359874ND
2022-08-254359876ND
2022-08-254359872ND
2022-08-254359873ND
2022-08-254359875ND