Bromochloromethane
Nash Forreston Water Supply Corporation
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 | 2 | 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 |
|---|---|---|
| 2018-01-24 | Q1802743001 | ND |
| 2018-01-24 | Q1802743004 | ND |
| 2019-05-09 | Q1923160001 | ND |
| 2019-05-09 | Q1923160003 | ND |
| 2020-03-05 | Q2008357001 | ND |
| 2020-03-05 | Q2008357003 | ND |
| 2021-05-05 | Q2111584011 | ND |
| 2021-05-05 | Q2111584013 | ND |
| 2022-01-18 | Q2201589003 | ND |
| 2022-01-18 | Q2201589005 | ND |
| 2023-02-28 | Q2308015001 | ND |
| 2023-02-28 | Q2308015003 | ND |