Bromochloromethane
Great Basin Water Burbank
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 1 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 9 | 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 |
|---|---|---|
| 2019-10-09 | ND | |
| 2021-11-10 | 4202783 | ND |
| 2023-01-12 | 4443138 | ND |
| 2023-01-12 | 4513916 | ND |
| 2023-01-31 | 4407720 | ND |
| 2023-08-29 | 4507757 | ND |
| 2023-08-29 | 4507756 | ND |
| 2023-12-26 | 4573496 | ND |
| 2023-12-26 | 4573498 | ND |
| 2023-12-26 | 4573455 | ND |
| 2023-12-26 | 4573454 | ND |