Know Your Environment. Protect Your Health.

Dibromochloromethane

Benld

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

21

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.852 ppb440.594 ppb - 1.35 ppb
20190.780 ppb43ND - 1.50 ppb
20200.719 ppb43ND - 1.58 ppb
20210.751 ppb440.570 ppb - 0.959 ppb
20220.848 ppb440.565 ppb - 1.38 ppb
20230.709 ppb43ND - 1.11 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
2018-02-058020947-020.594 ppb
2018-05-018050754-020.870 ppb
2018-08-018080672-021.35 ppb
2018-11-058111185-020.594 ppb
2019-02-049020922-02ND
2019-05-019050777-020.610 ppb
2019-08-069081729-021.50 ppb
2019-11-059111379-021.01 ppb
2020-02-040021138-02ND
2020-05-050051491-020.705 ppb
2020-08-040081549-021.58 ppb
2020-11-030111261-010.592 ppb
2021-02-02EB01219-020.570 ppb
2021-05-04EE01378-020.716 ppb
2021-08-03EH01607-020.959 ppb
2021-11-02EK01302-020.759 ppb
2022-02-01FB00686-020.627 ppb
2022-05-03FE01249-020.821 ppb
2022-08-02FH01374-021.38 ppb
2022-11-01FK00983-020.565 ppb
2023-02-01GB00484-02ND
2023-05-02GE01154-020.666 ppb
2023-08-01GH00976-021.11 ppb
2023-11-01GK00540-021.06 ppb