Know Your Environment. Protect Your Health.

Dibromochloromethane

Crossville Water Department

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.

 

31

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
20210.0419 ppb161ND - 0.671 ppb
20220.310 ppb21ND - 0.620 ppb
20230.243 ppb73ND - 0.600 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 Result
2018-02-20ND
2018-02-20ND
2019-02-19ND
2019-02-19ND
2020-02-18ND
2020-02-18ND
2021-02-17ND
2021-02-170.671 ppb
2021-02-17ND
2021-02-17ND
2021-02-17ND
2021-02-17ND
2021-02-17ND
2021-02-17ND
2021-02-17ND
2021-05-18ND
2021-05-18ND
2021-05-18ND
2021-05-18ND
2021-05-18ND
2021-05-18ND
2021-05-18ND
2022-03-150.620 ppb
2022-03-15ND
2023-11-13ND
2023-11-13ND
2023-11-130.600 ppb
2023-11-130.500 ppb
2023-11-13ND
2023-11-130.600 ppb
2023-11-13ND