Know Your Environment. Protect Your Health.

Bromodichloromethane

Twin City

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND10ND
2020ND10ND
20210.240 ppb51ND - 1.20 ppb
20220.700 ppb21ND - 1.40 ppb
2023ND10ND

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
2018-08-29AJ99429ND
2018-11-14AK05937ND
2019-07-31AK25699ND
2020-08-24AK55980ND
2021-07-20AK805551.20 ppb
2021-07-20AK80556ND
2021-07-20AK80571ND
2021-09-01AK84750ND
2021-09-01AK84751ND
2022-09-28AL166061.40 ppb
2022-09-28AL16612ND
2023-07-12AL36407ND