Bromochloromethane
Denair Community Services 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 | N/A | 0 | 0 | N/A |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-09-07 | CA5010021_010_010-201809070915 | ND |
| 2018-09-07 | CA5010021_009_009-201809070850 | ND |
| 2020-10-08 | CA5010021_008_008-202010080951 | ND |
| 2020-10-08 | CA5010021_007_007-202010081024 | ND |
| 2021-09-16 | CA5010021_010_010-202109161000 | ND |
| 2021-09-16 | CA5010021_009_009-202109160925 | ND |
| 2023-10-10 | CA5010021_008_008-202310101014 | ND |
| 2023-10-10 | CA5010021_007_007-202310101000 | ND |