Know Your Environment. Protect Your Health.

Bromodichloromethane

M J C Water Supply Corporation

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
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
2018-01-29Q1803265002ND
2018-04-04Q1813947002ND
2018-07-10Q1827063001ND
2018-07-10Q1827063009ND
2019-07-22Q1946341002ND
2019-07-22Q1946341003ND
2020-09-14Q2036307002ND
2020-12-10Q2049321001ND
2021-06-09Q2115176003ND
2021-06-09Q2115176008ND
2022-06-01Q2215538005ND
2022-10-26Q2232292001ND
2023-08-14Q2333707001ND
2023-08-14Q2333707006ND