Know Your Environment. Protect Your Health.

Bromodichloromethane

Sunserra At Crescent Bar

Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

11

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
20190.500 ppb110.500 ppb
2020N/A00N/A
2021ND20ND
20220.1000 ppb51ND - 0.500 ppb
2023ND30ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.06 ppb

The EWG Health Guideline of 0.06 ppb for bromodichloromethane 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
2019-07-240.500 ppb
2021-06-224169234ND
2021-10-274203553ND
2022-03-284268775ND
2022-07-274326980ND
2022-08-2443447770.500 ppb
2022-08-244344776ND
2022-09-284356350ND
2023-05-104461674ND
2023-07-174499157ND
2023-08-164510445ND