Know Your Environment. Protect Your Health.

Dibromochloromethane

City of Van Horn

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
2022ND20ND
20230.515 ppb21ND - 1.03 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
2018-07-31Q1830285005ND
2018-09-20Q1837695001ND
2019-09-12Q1964744001ND
2019-09-12Q1964744005ND
2020-08-24Q2033880003ND
2020-08-24Q2033880010ND
2021-06-29Q2116950001ND
2021-06-29Q2116950005ND
2022-09-22Q2228830001ND
2022-09-22Q2228830005ND
2023-08-09Q2332863002ND
2023-08-09Q23328630091.03 ppb