Bromochloromethane
South Trail Commerce
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 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 11 | 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 |
|---|---|---|
| 2022-12-08 | 22L0282-01 | ND |
| 2022-12-30 | D2L2371-02VOC | ND |
| 2022-12-30 | D2L2367-02VOC | ND |
| 2023-03-21 | 23C0646-01 | ND |
| 2023-03-27 | 23C0845-01V | ND |
| 2023-06-19 | D3F2157-01VOC | ND |
| 2023-06-19 | D3F2157-08VOC | ND |
| 2023-06-19 | D3F2161-01VOC | ND |
| 2023-06-19 | D3F2161-08VOC | ND |
| 2023-07-21 | D3G2520-07VOC | ND |
| 2023-07-21 | D3G2520-02VOC | ND |
| 2023-07-21 | D3G2520-11VOC | ND |
| 2023-10-24 | 23J0806-02 | ND |
| 2023-10-24 | 23J0806-01 | ND |