Know Your Environment. Protect Your Health.

Bromodichloromethane

Lomira Waterworks

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.610 ppb220.260 ppb - 0.960 ppb
20190.905 ppb440.400 ppb - 2.40 ppb
20201.40 ppb111.40 ppb
2021ND10ND
2022ND10ND
20230.230 ppb110.230 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
2018-08-0610717300.960 ppb
2018-12-1010971160.260 ppb
2019-07-2311363030.400 ppb
2019-07-2311363040.420 ppb
2019-09-0411453052.40 ppb
2019-10-1611556410.400 ppb
2020-07-1411995871.40 ppb
2021-07-261267996ND
2022-09-061334576ND
2023-08-15WB05131-020.230 ppb