Bromochloromethane
Cullman Utilities Board
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 | ND | 1 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2019-07-09 | L1116869-01 | ND |
| 2020-09-14 | 20171257001_IVOC | ND |
| 2020-10-21 | 20176647001_IVOC | ND |
| 2021-03-12 | 35618624001_IVOC | ND |
| 2021-05-24 | 35635610001_IVOC | ND |
| 2021-08-09 | 35654208001_IVOC | ND |
| 2021-11-15 | 35678231001_IVOC | ND |
| 2022-01-19 | 35691464001_IVOC | ND |
| 2022-03-16 | 35704226001_IVOC | ND |
| 2022-04-20 | 35712321001_IVOC | ND |
| 2022-07-26 | DC06126-01 | ND |
| 2022-09-21 | 35748351001_IVOC | ND |
| 2022-10-19 | 35754169001_IVOC | ND |
| 2023-01-19 | 35773721001_IVOC | ND |
| 2023-04-25 | 35794894001_IVOC | ND |
| 2023-07-27 | 35815984001_IVOC | ND |
| 2023-10-17 | 35835049001_IVOC | ND |