Know Your Environment. Protect Your Health.

Bromochloromethane

High-tor Properties

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND50ND
2021ND30ND
2022ND60ND
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
2018-06-26DW-91131ND
2018-06-26DW-91135ND
2018-06-26DW-91133ND
2019-10-299101372-03ND
2019-10-299101372-02ND
2019-10-299101372ND
2020-05-060050163-03ND
2020-05-060050164-02VND
2020-05-060050164-01VND
2020-09-140090571-01VOCND
2020-11-100110439-02VND
2021-11-151110754-04ND
2021-11-151110754-02ND
2021-11-151110754-03ND
2022-01-24EHS2200004719-01VOCND
2022-01-24EHS2200004720-SR-2ND
2022-01-24EHS2200004717-01VOCND
2022-01-24EHS2200004720-01VOCND
2022-01-24EHS2200009066-01ND
2022-02-17EHS2200009066-SR-1ND
2023-09-2723I1769-01ND
2023-10-2723J1871-01ND