Know Your Environment. Protect Your Health.

Dibromochloromethane

Indiana Municipal Services Authority-rossiter

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

10

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.175 ppb41ND - 0.700 ppb
20190.400 ppb42ND - 1.000 ppb
20200.293 ppb82ND - 1.75 ppb
20210.582 ppb54ND - 0.940 ppb
20220.170 ppb41ND - 0.680 ppb
2023ND50ND

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
2018-02-228020612-02ND
2018-05-218050681-02ND
2018-08-208080632-020.700 ppb
2018-11-198110539-02ND
2019-02-219020548-02ND
2019-05-229050773-020.600 ppb
2019-08-209080644-021.000 ppb
2019-11-199K25052-02ND
2020-02-20ND
2020-03-06ND
2020-05-20ND
2020-05-20ND
2020-09-080.590 ppb
2020-09-081.75 ppb
2020-11-19ND
2020-11-19ND
2021-02-180.750 ppb
2021-02-180.510 ppb
2021-05-19ND
2021-08-190.940 ppb
2021-11-180.710 ppb
2022-02-17ND
2022-05-19ND
2022-08-180.680 ppb
2022-11-17ND
2023-02-16ND
2023-05-18ND
2023-05-18ND
2023-08-17ND
2023-11-16ND