Bromochloromethane
Swan Lake Resort
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 | 4 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 6 | 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 |
|---|---|---|
| 2020-06-02 | 70132984001-VOC | ND |
| 2020-09-10 | 70145551001-VOC | ND |
| 2020-09-10 | 70145552001-VOC | ND |
| 2020-11-12 | 70153541001-VOC | ND |
| 2022-04-12 | 220412009-04 | ND |
| 2022-04-12 | 220412009-06 | ND |
| 2022-08-09 | 220809011-15 | ND |
| 2022-08-09 | 220809011-08 | ND |
| 2022-10-04 | 221004026-05 | ND |
| 2022-10-11 | 221011046-06 | ND |
| 2023-01-04 | 230104049-06 | ND |
| 2023-01-17 | 230117046-06 | ND |