Bromochloromethane
Yak Co. - Crewport
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 | 7 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-02-20 | ND | |
| 2018-04-09 | ND | |
| 2018-05-08 | ND | |
| 2018-08-14 | ND | |
| 2018-08-14 | ND | |
| 2018-11-13 | ND | |
| 2018-11-13 | ND | |
| 2019-03-18 | ND | |
| 2019-03-18 | ND | |
| 2019-05-20 | ND | |
| 2019-06-13 | ND | |
| 2021-05-10 | 4114924 | ND |
| 2021-05-10 | 4114925 | ND |
| 2022-05-09 | 4285652 | ND |
| 2022-05-09 | 4285645 | ND |
| 2023-05-15 | 4455758 | ND |
| 2023-05-15 | 4455759 | ND |