Bromochloromethane
Pasco Water Department
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 |
|---|---|---|---|---|
| 2013 | ND | 8 | 0 | ND |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 1 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2013-02-13 | WA97-SE1-13-02592-6058 | ND |
| 2013-02-13 | WA97-SE1-13-02593-6059 | ND |
| 2013-05-15 | WA97-SE2-13-08414-19444 | ND |
| 2013-05-15 | WA97-SE2-13-08414-19443 | ND |
| 2013-08-13 | WA97-SE3-13-15009-34226 | ND |
| 2013-08-13 | WA97-SE1-13-15009-34225 | ND |
| 2013-11-12 | WA97-SE4-13-21552-48916 | ND |
| 2013-11-12 | WA97-SE4-13-21552-48915 | ND |
| 2022-07-18 | 4325357 | ND |