Bromochloromethane
Yuima Municipal Water District Ida
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 | N/A | 0 | 0 | N/A |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 10 | 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 |
|---|---|---|
| 2020-10-13 | CA3700938_012_012-202010131000 | ND |
| 2021-04-13 | CA3700938_012_012-202104131230 | ND |
| 2021-07-13 | CA3700938_012_012-202107130825 | ND |
| 2021-07-13 | CA3700938_005_005-202107130930 | ND |
| 2022-10-12 | CA3700938_012_012-202210120845 | ND |
| 2023-02-13 | CA3700938_012_012-202302131315 | ND |
| 2023-05-01 | CA3700938_037_037-202305011010 | ND |
| 2023-07-11 | CA3700938_011_011-202307110900 | ND |
| 2023-07-11 | CA3700938_012_012-202307110915 | ND |
| 2023-07-11 | CA3700938_031_031-202307110730 | ND |
| 2023-07-11 | CA3700938_047_047-202307110840 | ND |
| 2023-07-11 | CA3700938_004_004-202307110730 | ND |
| 2023-07-11 | CA3700938_006_006-202307110750 | ND |
| 2023-07-11 | CA3700938_020_020-202307110750 | ND |
| 2023-10-02 | CA3700938_048_048-202310020840 | ND |