Know Your Environment. Protect Your Health.

Dibromochloromethane

Whitewood Forest

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20190.300 ppb21ND - 0.600 ppb
2020ND10ND
2021ND10ND
20220.350 ppb21ND - 0.700 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
2018-10-15E180907385ND
2019-07-15E1906065090.600 ppb
2019-10-16E190906261ND
2020-10-28E200906178ND
2021-11-03E210902815ND
2022-07-19E2206048580.700 ppb
2022-10-31E220903815ND
2023-05-23E230303638ND