Know Your Environment. Protect Your Health.

Dibromochloromethane

Cherokee County Rural Water District 9

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.670 ppb110.670 ppb
20190.550 ppb110.550 ppb
20200.540 ppb110.540 ppb
20211.000 ppb111.000 ppb
20220.620 ppb110.620 ppb
20230.740 ppb110.740 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
2018-09-0910408600.670 ppb
2019-09-2912498360.550 ppb
2020-09-2215186420.540 ppb
2021-10-1919976701.000 ppb
2022-09-0523524300.620 ppb
2023-09-1725769980.740 ppb