Know Your Environment. Protect Your Health.

Bromodichloromethane

Bingen Water Department

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.09 ppb21ND - 2.17 ppb
20190.300 ppb21ND - 0.600 ppb
2020N/A00N/A
20210.705 ppb21ND - 1.41 ppb
2022ND30ND
20230.718 ppb53ND - 1.46 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
2018-05-24ND
2018-06-062.17 ppb
2019-05-21ND
2019-06-190.600 ppb
2021-05-254122055ND
2021-06-0941316661.41 ppb
2022-04-134274628ND
2022-05-184285656ND
2022-08-224497320ND
2023-03-2044415221.35 ppb
2023-05-094455757ND
2023-06-064461661ND
2023-09-1945247320.780 ppb
2023-12-1945734471.46 ppb