Know Your Environment. Protect Your Health.

Bromodichloromethane

Gander Woods Pump District

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20190.158 ppb51ND - 0.790 ppb
2020ND40ND
2021ND40ND
20220.254 ppb51ND - 1.27 ppb
2023ND50ND

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
2018-11-13S770725ND
2019-01-29S812529ND
2019-04-29S847907ND
2019-08-13S865159ND
2019-08-13S9004340.790 ppb
2019-10-15S895862ND
2020-01-08S920014ND
2020-04-16S901920ND
2020-08-25S901704ND
2020-10-13S998171ND
2021-01-26S1035134ND
2021-04-28S1066480ND
2021-07-26S1086024ND
2021-10-22S1121011ND
2022-01-10S1136749ND
2022-04-05S1120952ND
2022-07-29S1199099ND
2022-08-19S12064691.27 ppb
2022-10-13S1230647ND
2023-01-30S1257225ND
2023-04-28S1257101ND
2023-07-31810-72350-9ND
2023-10-31810-83409-1ND
2023-10-31810-83409-2ND