Know Your Environment. Protect Your Health.

Bromodichloromethane

Old Chisolm Estates

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND40ND
2020ND30ND
2021ND10ND
2022ND40ND
2023ND20ND

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
2018-12-04Q1849246002ND
2018-12-13Q1851544012ND
2018-12-13Q1851544011ND
2019-06-06Q1932776002ND
2019-06-06Q1932776004ND
2019-06-06Q1932776007ND
2019-11-21Q1977813003ND
2020-12-17Q2050037009ND
2020-12-17Q2050037011ND
2020-12-17Q2050037007ND
2021-12-09Q2134743004ND
2022-06-20Q2216885001ND
2022-10-26Q2232462003ND
2022-10-26Q2232462005ND
2022-10-26Q2232462007ND
2023-08-15Q2334056001ND
2023-08-15Q2334056003ND