Know Your Environment. Protect Your Health.

Bromodichloromethane

Newfield Water Department

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)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND20ND
20201.56 ppb221.49 ppb - 1.62 ppb
20210.775 ppb220.640 ppb - 0.910 ppb
20220.515 ppb220.510 ppb - 0.520 ppb
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
2018-08-31Q77950TTHMND
2018-08-31Q77951TTHMND
2018-09-12Q78226VOCND
2018-09-12Q78227VOCND
2019-08-13R87717TTHMND
2019-08-13R87716TTHMND
2020-08-13S98217TTHM1.62 ppb
2020-08-13S98216TTHM1.49 ppb
2021-08-31T110736TTHM0.910 ppb
2021-08-31T110735TTHM0.640 ppb
2022-08-29U122548TTHM0.510 ppb
2022-08-29U122547TTHM0.520 ppb
2023-08-04V131340TTHMND
2023-08-04V131339TTHMND