Know Your Environment. Protect Your Health.

Dibromochloromethane

Woodinville Water District

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.

 

76

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
2019ND120ND
2020N/A00N/A
2021ND160ND
2022ND160ND
20230.169 ppb164ND - 0.753 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
2018-03-15ND
2018-03-15ND
2018-03-15ND
2018-03-15ND
2018-06-14ND
2018-06-14ND
2018-06-14ND
2018-06-14ND
2018-09-13ND
2018-09-13ND
2018-09-13ND
2018-09-13ND
2018-12-12ND
2018-12-12ND
2018-12-12ND
2018-12-12ND
2019-03-18ND
2019-03-18ND
2019-03-18ND
2019-03-18ND
2019-06-12ND
2019-06-12ND
2019-06-12ND
2019-06-12ND
2019-09-10ND
2019-09-10ND
2019-12-11ND
2019-12-11ND
2021-03-104088994ND
2021-03-104088996ND
2021-03-104088995ND
2021-03-104088997ND
2021-06-104130788ND
2021-06-104130789ND
2021-06-104130791ND
2021-06-104130790ND
2021-09-084172467ND
2021-09-084172466ND
2021-09-084172465ND
2021-09-084172468ND
2021-12-084215964ND
2021-12-084215963ND
2021-12-084215965ND
2021-12-084215962ND
2022-03-094258193ND
2022-03-094258194ND
2022-03-094258192ND
2022-03-094258195ND
2022-06-064295049ND
2022-06-064295047ND
2022-06-064295046ND
2022-06-064295048ND
2022-09-084343566ND
2022-09-084343569ND
2022-09-084343567ND
2022-09-084343568ND
2022-12-144385573ND
2022-12-144385571ND
2022-12-144385570ND
2022-12-144385572ND
2023-03-074426516ND
2023-03-074426515ND
2023-03-074426517ND
2023-03-074426514ND
2023-06-084468655ND
2023-06-084468657ND
2023-06-084468656ND
2023-06-084468654ND
2023-09-054514512ND
2023-09-054514511ND
2023-09-054514510ND
2023-09-054514513ND
2023-12-0445570110.617 ppb
2023-12-0445570120.658 ppb
2023-12-0445570130.753 ppb
2023-12-0445570140.670 ppb