Know Your Environment. Protect Your Health.

Bromodichloromethane

City of Sundown

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND50ND
2022ND50ND
2023ND30ND

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
2018-01-11Q1801555019ND
2018-01-11Q1801555016ND
2018-07-02Q1826198003ND
2019-01-08Q1900776005ND
2019-01-08Q1900776007ND
2019-07-15Q1944818002ND
2020-01-14Q2001302001ND
2020-01-14Q2001302003ND
2020-07-06Q2026320002ND
2021-01-20Q2101443003ND
2021-04-05Q2108480010ND
2021-07-01Q2117329002ND
2021-07-01Q2117329003ND
2021-10-05Q2127289002ND
2022-01-13Q2201435005ND
2022-01-13Q2201435007ND
2022-04-28Q2212820002ND
2022-09-20Q2228114002ND
2022-09-20Q2228114003ND
2023-01-09Q2300847001ND
2023-04-03Q2312040006ND
2023-08-28Q2336751002ND