Know Your Environment. Protect Your Health.

Dibromochloromethane

Lewis River Golf Course

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.350 ppb41ND - 1.40 ppb
2019N/A00N/A
2020N/A00N/A
2021ND10ND
20224.67 ppb31ND - 14.0 ppb
2023ND20ND

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
2018-03-141.40 ppb
2018-06-01ND
2018-09-05ND
2018-10-02ND
2021-08-024163644ND
2022-07-204318725ND
2022-12-214392381ND
2022-12-30440383614.0 ppb
2023-07-264488414ND
2023-11-274569047ND