Know Your Environment. Protect Your Health.

Dibromochloromethane

Duff Water Corporation

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND20ND
20210.150 ppb82ND - 0.600 ppb
20220.219 ppb83ND - 0.670 ppb
2023ND80ND

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
2020-11-044768656ND
2020-11-044768654ND
2021-02-094830737ND
2021-02-094830739ND
2021-05-044892874ND
2021-05-044892876ND
2021-08-0349727170.600 ppb
2021-08-0349727190.600 ppb
2021-11-031-810-6751-1ND
2021-11-031-810-6751-2ND
2022-02-081-810-14177-2ND
2022-02-081-810-14177-1ND
2022-05-101-810-24296-2ND
2022-05-101-810-24296-1ND
2022-08-091-810-33418-2_IN0.670 ppb
2022-08-091-810-33418-1_IN0.580 ppb
2022-11-081-810-44045-2_INND
2022-11-081-810-44045-1_IN0.500 ppb
2023-02-281-810-54933-1_INND
2023-02-281-810-54933-2_INND
2023-05-231-810-64356-1_INND
2023-05-231-810-64356-2_INND
2023-08-081-810-73100-1_INND
2023-08-081-810-73100-2_INND
2023-11-071-810-84424-1_INND
2023-11-071-810-84424-2_INND