Know Your Environment. Protect Your Health.

Bromodichloromethane

City of Loraine

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)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.830 ppb21ND - 1.66 ppb
2019ND20ND
2020ND20ND
2021ND20ND
20222.33 ppb222.16 ppb - 2.50 ppb
20231.35 ppb221.24 ppb - 1.46 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
2018-06-04Q18220080011.66 ppb
2018-06-04Q1822008009ND
2019-05-01Q1917409004ND
2019-05-01Q1917409005ND
2020-07-22Q2028863001ND
2020-07-22Q2028863005ND
2021-05-17Q2112650007ND
2021-05-17Q2112650008ND
2022-07-06Q22189770032.50 ppb
2022-07-06Q22189770042.16 ppb
2023-07-06Q23262190031.46 ppb
2023-07-06Q23262190041.24 ppb