Know Your Environment. Protect Your Health.

Dibromochloromethane

Cedar Crest

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.500 ppb110.500 ppb
2019ND10ND
2020N/A00N/A
2021ND80ND
20220.490 ppb32ND - 0.940 ppb
2023ND20ND

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
2018-07-190.500 ppb
2019-07-22ND
2021-06-214135741ND
2021-06-214135740ND
2021-06-284149409ND
2021-07-284159286ND
2021-09-174178923ND
2021-09-174178923ND
2021-12-074221146ND
2021-12-074221146ND
2022-08-234359375ND
2022-08-2343590950.530 ppb
2022-09-2843612850.940 ppb
2023-05-254468276ND
2023-07-314505621ND