Know Your Environment. Protect Your Health.

Dibromochloromethane

Othello 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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.450 ppb43ND - 0.600 ppb
20190.175 ppb41ND - 0.700 ppb
2020N/A00N/A
20210.0833 ppb61ND - 0.500 ppb
2022ND90ND
2023ND30ND

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
2018-08-080.600 ppb
2018-08-080.600 ppb
2018-08-080.600 ppb
2018-12-13ND
2019-06-18ND
2019-07-08ND
2019-08-15ND
2019-08-150.700 ppb
2021-03-314102279ND
2021-08-1041592040.500 ppb
2021-08-114169108ND
2021-08-114169236ND
2021-10-134202782ND
2021-10-134202781ND
2022-03-154263100ND
2022-06-024298828ND
2022-06-084298813ND
2022-06-084298812ND
2022-08-084335854ND
2022-08-084335140ND
2022-09-064364651ND
2022-09-064364663ND
2022-10-064364641ND
2023-04-174448578ND
2023-06-124499780ND
2023-08-144508758ND