Bromochloromethane
Blaketree MUD 1
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 | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-01-10 | AE08623 | ND |
| 2018-04-12 | AE22314 | ND |
| 2018-08-07 | AE35980 | ND |
| 2019-08-28 | AE81394 | ND |
| 2020-12-15 | AF37669 | ND |
| 2021-02-08 | AF43028 | ND |
| 2021-04-20 | AF50740 | ND |
| 2021-07-14 | AF61939 | ND |
| 2021-11-01 | AF75261 | ND |
| 2022-08-02 | AG07339 | ND |
| 2023-08-03 | AG51334 | ND |