Bromochloromethane
Sunchase Meadows
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 | 5 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 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 |
|---|---|---|
| 2018-10-02 | Q1839402005 | ND |
| 2018-10-02 | Q1839402001 | ND |
| 2019-04-02 | Q1913217003 | ND |
| 2019-04-02 | Q1913217013 | ND |
| 2019-04-02 | Q1913217019 | ND |
| 2019-08-06 | Q1951306003 | ND |
| 2019-10-29 | Q1974367004 | ND |
| 2020-01-28 | Q2003194003 | ND |
| 2020-03-30 | Q2012921007 | ND |
| 2020-03-30 | Q2012921009 | ND |
| 2020-09-17 | Q2037205001 | ND |
| 2020-10-07 | Q2039334001 | ND |
| 2021-08-19 | Q2122573002 | ND |
| 2021-08-19 | Q2122573004 | ND |
| 2021-08-19 | Q2122573006 | ND |
| 2021-10-21 | Q2129784001 | ND |
| 2022-02-17 | Q2205934013 | ND |
| 2022-02-17 | Q2205934015 | ND |
| 2023-10-24 | Q2345789002 | ND |
| 2023-10-24 | Q2345789004 | ND |