Bromochloromethane
Hillsdale Housing Cooperative Inc.
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 | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 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 |
|---|---|---|
| 2018-09-04 | 1809-18889-002V | ND |
| 2018-11-26 | 1811-25112-002V | ND |
| 2019-08-23 | 19H0786-01V | ND |
| 2020-08-25 | 20H0859-01 | ND |
| 2020-08-25 | 20H0859-01_TO12 | ND |
| 2021-07-21 | D1G2073-03VOC | ND |
| 2021-10-26 | D1J2354-03VOC | ND |
| 2022-09-28 | 22I1182-01 | ND |
| 2023-08-15 | 23H0577-02 | ND |