Know Your Environment. Protect Your Health.

Bromodichloromethane

Forks Municipal 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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
20190.430 ppb32ND - 1.000 ppb
2020N/A00N/A
20210.197 ppb31ND - 0.590 ppb
20220.980 ppb53ND - 3.20 ppb
2023ND30ND

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
2018-12-05ND
2018-12-05ND
2019-08-070.290 ppb
2019-08-21ND
2019-08-301.000 ppb
2021-08-254175304ND
2021-08-2541664990.590 ppb
2021-08-254166498ND
2022-05-094306680ND
2022-08-0943338280.740 ppb
2022-08-3043704500.960 ppb
2022-11-014371620ND
2022-11-0143792963.20 ppb
2023-01-174404440ND
2023-08-224513301ND
2023-08-224513302ND