Bromochloromethane
Western Lake Estates
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 | 2 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-11-15 | Q1846766009 | ND |
| 2018-11-15 | Q1846766017 | ND |
| 2018-11-15 | Q1846766001 | ND |
| 2019-09-17 | Q1965846001 | ND |
| 2019-09-17 | Q1965846003 | ND |
| 2019-09-17 | Q1965846005 | ND |
| 2020-09-03 | Q2035187003 | ND |
| 2020-09-03 | Q2035187005 | ND |
| 2021-08-12 | Q2121648001 | ND |
| 2021-08-12 | Q2121648003 | ND |
| 2021-11-23 | Q2132786005 | ND |
| 2022-08-02 | Q2222020002 | ND |
| 2022-10-31 | Q2233056005 | ND |
| 2022-10-31 | Q2233056007 | ND |
| 2023-08-23 | Q2335766001 | ND |
| 2023-08-23 | Q2335766003 | ND |
| 2023-08-23 | Q2335766005 | ND |