Bromochloromethane
Gafford Chapel 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 | 3 | 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 |
|---|---|---|
| 2018-04-12 | Q1815138011 | ND |
| 2018-04-12 | Q1815138014 | ND |
| 2019-05-22 | Q1927789003 | ND |
| 2019-05-22 | Q1927789005 | ND |
| 2020-02-20 | Q2006545001 | ND |
| 2020-03-30 | Q2012915001 | ND |
| 2020-05-26 | Q2020631003 | ND |
| 2021-10-14 | Q2128874013 | ND |
| 2021-10-14 | Q2128874015 | ND |
| 2022-07-27 | Q2221394001 | ND |
| 2022-10-26 | Q2232337003 | ND |
| 2023-07-18 | Q2327998005 | ND |
| 2023-07-18 | Q2327998007 | ND |