Know Your Environment. Protect Your Health.

Bromodichloromethane

Wee Wood Park

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.

 

5

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
2019N/A00N/A
20200.610 ppb110.610 ppb
2021N/A00N/A
2022ND20ND
20230.415 ppb21ND - 0.830 ppb

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
2020-08-0420 DBPS WEE WOOD MHP0.610 ppb
2022-03-22Q1 22 POCS WEE WOODND
2022-07-12Q3 22 POCS WEEWOODND
2023-07-11Q3 23 POCS WEEWOOD0.830 ppb
2023-08-0823 DBPS WEE WOOD MHPND