Bromochloromethane
Fort Bend County Water Control and Improvement District 3
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 | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 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 |
|---|---|---|
| 2018-07-12 | AE33175 | ND |
| 2018-07-12 | AE33179 | ND |
| 2019-07-09 | AE73725 | ND |
| 2019-07-09 | AE73727 | ND |
| 2020-04-29 | AF08717 | ND |
| 2020-07-28 | AF20896 | ND |
| 2021-05-05 | AF52563 | ND |
| 2021-05-05 | AF52567 | ND |
| 2022-03-23 | AF90252 | ND |
| 2022-03-23 | AF90254 | ND |
| 2023-06-07 | AG43525 | ND |
| 2023-06-07 | AG43529 | ND |