Bromochloromethane
Woodlake, City Of
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 | N/A | 0 | 0 | N/A |
| 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 | ND | 7 | 0 | ND |
| 2019 | ND | 8 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-02-27 | CA5410020_009_009-201802271430 | ND |
| 2018-02-27 | CA5410020_010_010-201802271418 | ND |
| 2018-06-28 | CA5410020_010_010-201806281355 | ND |
| 2018-06-28 | CA5410020_009_009-201806281344 | ND |
| 2018-09-20 | CA5410020_010_010-201809201140 | ND |
| 2018-09-20 | CA5410020_009_009-201809201154 | ND |
| 2018-12-28 | CA5410020_009_009-201812281305 | ND |
| 2019-03-11 | CA5410020_009_009-201903111238 | ND |
| 2019-03-11 | CA5410020_010_010-201903111250 | ND |
| 2019-05-07 | CA5410020_010_010-201905071315 | ND |
| 2019-05-07 | CA5410020_009_009-201905071340 | ND |
| 2019-08-22 | CA5410020_009_009-201908221331 | ND |
| 2019-08-22 | CA5410020_010_010-201908221315 | ND |
| 2019-11-26 | CA5410020_009_009-201911261340 | ND |
| 2019-11-26 | CA5410020_010_010-201911261325 | ND |
| 2020-12-08 | CA5410020_004_004-202012081250 | ND |
| 2020-12-08 | CA5410020_007_007-202012081305 | ND |