Bromochloromethane
Mounds View
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 | 6 | 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 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 2 | 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 |
|---|---|---|
| 2013-06-06 | 1031167009 | ND |
| 2013-06-06 | 1031167003 | ND |
| 2013-06-06 | 1031167006 | ND |
| 2013-12-16 | 1063901009 | ND |
| 2013-12-16 | 1063901003 | ND |
| 2013-12-16 | 1063901006 | ND |
| 2019-05-13 | 19E0915-01 | ND |
| 2020-06-10 | 20F0839-01 | ND |
| 2022-08-17 | 22H1587-02 | ND |
| 2022-12-19 | 22L0910-01 | ND |
| 2023-02-10 | 23B0666-01 | ND |
| 2023-05-31 | 23E3051-01 | ND |
| 2023-07-20 | 23G1294-01 | ND |
| 2023-11-07 | 23K0381-01 | ND |