Know Your Environment. Protect Your Health.

Dibromochloromethane

Teachey, 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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
20220.508 ppb21ND - 1.02 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
2018-09-1037729_18-37871ND
2018-09-1037729_18-37872ND
2019-09-1937729_19-40675ND
2019-09-1937729_19-40676ND
2020-09-0937729_20-38919ND
2020-09-0937729_20-38973ND
2021-09-2337729_21-42053ND
2021-09-2337729_21-42054ND
2022-09-1437729_22-445311.02 ppb
2022-09-1437729_22-44555ND
2023-09-1837729_23-52433ND
2023-09-1837729_23-52443ND