Know Your Environment. Protect Your Health.

Bromodichloromethane

Ward 3 Water Association

Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND20ND
2021ND20ND
2022ND20ND
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 bromodichloromethane was based on the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-07-1135403828001ND
2018-07-1135403828002ND
2018-07-1135403828001ND
2018-07-1135403828002ND
2019-07-1135481763001ND
2019-07-1135481763002ND
2019-07-1135481763001ND
2019-07-1135481763002ND
2020-07-1035562381001ND
2020-07-1035562381002ND
2021-07-1435648536001ND
2021-07-1435648536002ND
2022-07-2035734014001ND
2022-07-2035734014002ND
2023-07-1935814809001ND
2023-07-1935814809002ND