Know Your Environment. Protect Your Health.

Bromochloromethane

Hills & Dales

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND40ND
2022ND10ND
2023ND20ND

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
2018-10-31AE45068ND
2018-10-31AE45070ND
2019-12-17AE92707ND
2019-12-17AE92709ND
2020-12-02AF36275ND
2020-12-02AF36283ND
2021-05-18AF54403ND
2021-05-18AF54405ND
2021-09-07AF68995ND
2021-11-15AF76649ND
2022-12-20AG22372ND
2023-10-25AG61061ND
2023-10-25AG61063ND