Know Your Environment. Protect Your Health.

Dibromochloromethane

Wallace, Town of

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
20220.588 ppb42ND - 1.22 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
2018-10-2437729_18-44257ND
2018-10-2437729_18-44260ND
2019-10-0437729_19-43056ND
2019-10-0437729_19-43058ND
2020-09-3037729_20-42730ND
2020-09-3037729_20-42731ND
2021-09-2337729_21-42061ND
2021-09-2337729_21-42063ND
2022-06-0837729_22-25683ND
2022-06-0837729_22-25685ND
2022-09-1937729_22-454261.13 ppb
2022-09-1937729_22-454271.22 ppb
2023-09-2937729_23-55328ND
2023-09-2937729_23-55329ND