Know Your Environment. Protect Your Health.

Dibromochloromethane

Walnut Springs

Dibromochloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Dibromochloromethane 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
2018ND30ND
2019ND30ND
2020N/A00N/A
2021ND30ND
2022ND30ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for dibromochloromethane 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
2018-04-02AE20869ND
2018-04-02AE20875ND
2018-06-27AE31681ND
2019-09-11AE82997ND
2019-11-07AE88913ND
2019-11-07AE88919ND
2021-08-05AF65044ND
2021-08-05AF65081ND
2021-08-05AF65093ND
2022-04-07AF92453ND
2022-05-11AF96458ND
2022-10-17AG17266ND
2023-02-07AG27731ND
2023-02-07AG27737ND
2023-05-01AG38598ND
2023-05-01AG38650ND