Bromochloromethane
City of Bells
Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
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 bromochloromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer, harm to reproduction and child development, and change to fetal growth and development.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-15 | Q1810771002 | ND |
| 2018-03-15 | Q1810771003 | ND |
| 2019-04-30 | Q1917145003 | ND |
| 2019-04-30 | Q1917145006 | ND |
| 2020-07-15 | Q2027742005 | ND |
| 2020-07-15 | Q2027742007 | ND |
| 2021-10-19 | Q2129317005 | ND |
| 2021-10-19 | Q2129317007 | ND |
| 2022-06-13 | Q2216369008 | ND |
| 2022-10-19 | Q2231826001 | ND |
| 2023-06-05 | Q2320814001 | ND |
| 2023-06-05 | Q2320814003 | ND |