Bromochloromethane
Cross Roads Special Utility District
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 | 6 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-06-11 | Q1823067008 | ND |
| 2018-06-11 | Q1823067005 | ND |
| 2019-10-29 | Q1974604001 | ND |
| 2019-10-29 | Q1974604003 | ND |
| 2020-12-17 | Q2050079006 | ND |
| 2020-12-17 | Q2050079008 | ND |
| 2021-03-02 | Q2105308006 | ND |
| 2021-06-24 | Q2116616005 | ND |
| 2021-09-21 | Q2125859006 | ND |
| 2021-11-30 | Q2133008006 | ND |
| 2021-11-30 | Q2133008010 | ND |
| 2021-11-30 | Q2133008008 | ND |
| 2022-03-22 | Q2209157009 | ND |
| 2022-03-22 | Q2209157011 | ND |
| 2022-03-22 | Q2209157013 | ND |
| 2022-05-26 | Q2215240003 | ND |
| 2023-02-27 | Q2307812003 | ND |
| 2023-07-20 | Q2328742001 | ND |
| 2023-10-16 | Q2343886003 | ND |