Know Your Environment. Protect Your Health.

Bromodichloromethane

Domestic Water Company Royal Forest Subdivision

Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

19

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
20190.633 ppb31ND - 1.90 ppb
20201.38 ppb41ND - 5.50 ppb
2021ND30ND
20220.933 ppb31ND - 2.80 ppb
20231.43 ppb31ND - 4.30 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.06 ppb

The EWG Health Guideline of 0.06 ppb for bromodichloromethane 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
2018-05-09AE25753ND
2018-05-09AE25755ND
2018-05-09AE25736ND
2019-03-04AE56877ND
2019-03-04AE568811.90 ppb
2019-09-13AE83539ND
2020-02-20AE99297ND
2020-02-20AE99313ND
2020-05-26AF126005.50 ppb
2020-05-26AF12551ND
2021-06-11AF57716ND
2021-06-11AF57836ND
2021-12-22AF79282ND
2022-04-12AF92919ND
2022-04-12AF929232.80 ppb
2022-08-04AG07816ND
2023-08-16AG52824ND
2023-08-16AG52846ND
2023-08-16AG528564.30 ppb