Know Your Environment. Protect Your Health.

Dibromochloromethane

Caldwell County- Addison Lane

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND40ND
2021ND40ND
20220.250 ppb41ND - 1.000 ppb
2023ND10ND

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
2018-08-0854631-01ND
2018-11-0758933-01ND
2019-05-1466930-01ND
2019-08-0670505-01ND
2020-02-1178605-01ND
2020-05-0681889-01ND
2020-08-1186157-01ND
2020-11-1092505860001_37706ND
2021-02-0292519873001_37706ND
2021-05-0592537415001_37706ND
2021-08-1792556680001_37706ND
2021-11-0292570980001_37706ND
2022-02-0192586220001_37706ND
2022-05-1192604243001_37706ND
2022-08-0992620361001_377061.000 ppb
2022-11-2292638182001_37706ND
2023-08-14752-10712-1ND