Know Your Environment. Protect Your Health.

Dibromochloromethane

Wayne, City 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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
20190.850 ppb110.850 ppb
2020ND20ND
2021ND10ND
2022N/A00N/A
20230.287 ppb31ND - 0.860 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
2018-03-19530729ND
2018-12-17577259ND
2019-08-266323290.850 ppb
2020-12-07703311ND
2020-12-07703310ND
2021-12-13763895ND
2023-07-248742570.860 ppb
2023-11-27891580ND
2023-12-11900834ND