Bromochloromethane
Terrell County Water Control and Improvement District 1
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 |
|---|---|---|
| 2018-08-22 | AE38149 | ND |
| 2018-08-22 | AE38153 | ND |
| 2019-05-09 | AE65705 | ND |
| 2019-05-09 | AE65707 | ND |
| 2020-09-17 | AF27757 | ND |
| 2020-09-17 | AF27759 | ND |
| 2021-07-20 | AF62667 | ND |
| 2021-07-20 | AF62673 | ND |
| 2022-05-19 | AF97762 | ND |
| 2022-05-19 | AF97768 | ND |
| 2023-09-20 | AG57080 | ND |
| 2023-09-20 | AG57086 | ND |