Know Your Environment. Protect Your Health.

Dibromochloromethane

Surf City, Town of

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND40ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

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
2018-02-2737729_18-07613ND
2018-02-2737729_18-07612ND
2018-05-1437729_18-18959ND
2018-05-1437729_18-18960ND
2018-08-2737729_18-35653ND
2018-08-2737729_18-35654ND
2018-11-2037729_18-48581ND
2018-11-2037729_18-48582ND
2019-05-2937729_19-21794ND
2019-05-2937729_19-21795ND
2019-08-2637729_19-36527ND
2019-08-2637729_19-36528ND
2020-08-2037729_20-35827ND
2020-08-2037729_20-35828ND
2021-08-2437729_21-36197ND
2021-08-2437729_21-36198ND
2022-08-1137729_22-37844ND
2022-08-1137729_22-37845ND
2023-08-2337729_23-46796ND
2023-08-2337729_23-46797ND