Bromochloromethane
Sunbelt Fresh Water Supply District High Meadows Subdivision
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 | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 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 |
|---|---|---|
| 2018-01-29 | AE11291 | ND |
| 2018-01-29 | AE11293 | ND |
| 2018-01-29 | AE11295 | ND |
| 2019-07-02 | AE73138 | ND |
| 2019-07-02 | AE73144 | ND |
| 2019-07-02 | AE73152 | ND |
| 2020-09-15 | AF27375 | ND |
| 2020-09-24 | AF28465 | ND |
| 2020-10-14 | AF30635 | ND |
| 2021-06-09 | AF57222 | ND |
| 2021-06-09 | AF57228 | ND |
| 2022-01-26 | AF81956 | ND |
| 2022-01-26 | AF81958 | ND |
| 2023-03-07 | Q2309782001 | ND |
| 2023-05-03 | AG39173 | ND |