Know Your Environment. Protect Your Health.

Dibromochloromethane

City of Barstow

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20192.16 ppb112.16 ppb
2020ND10ND
2021ND10ND
2022ND10ND
20232.05 ppb112.05 ppb

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
2018-06-13Q1823584002ND
2019-06-13Q19356590012.16 ppb
2020-05-13Q2019055002ND
2021-05-06Q2111791001ND
2022-06-09Q2216251001ND
2023-09-06Q23384660012.05 ppb