Know Your Environment. Protect Your Health.

Dibromochloromethane

Deer Run Mc

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
20200.383 ppb31ND - 1.15 ppb
20211.91 ppb111.91 ppb
2022ND20ND
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
2018-07-2343416-02ND
2019-08-0619080912ND
2020-05-1220051290ND
2020-05-1220051293ND
2020-07-06200710281.15 ppb
2021-09-23210933551.91 ppb
2022-06-1522062222ND
2022-07-1122071781ND
2023-03-2823033655ND
2023-07-1023071739ND