Know Your Environment. Protect Your Health.

Dibromochloromethane

Austin Utilities

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)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
20200.450 ppb21ND - 0.900 ppb
20210.700 ppb220.600 ppb - 0.800 ppb
2022ND20ND
20230.300 ppb21ND - 0.600 ppb

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
2018-05-0218E0285-01ND
2018-05-0218E0285-02ND
2019-05-0119E0170-01ND
2019-05-0119E0170-02ND
2020-05-1220E0794-010.900 ppb
2020-05-1220E0794-02ND
2021-05-0321E0176-010.600 ppb
2021-05-0321E0176-020.800 ppb
2022-05-1022E0886-01ND
2022-05-1022E0886-02ND
2023-05-0223E0280-01ND
2023-05-0223E0280-020.600 ppb