Know Your Environment. Protect Your Health.

Dibromochloromethane

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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.

 

12

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
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
2018-09-13AE39997ND
2018-09-13AE40032ND
2019-09-20AE84217ND
2019-11-13AE89125ND
2020-09-01AF26024ND
2020-09-01AF26076ND
2021-09-27AF71211ND
2021-09-27AF71254ND
2022-03-30AF91296ND
2022-09-23AG14763ND
2023-09-19AG56821ND
2023-09-19AG56891ND