Bromochloromethane
Denton County Fresh Water Supply District 8-c
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 |
|---|---|---|
| 2018-02-12 | Q1805953001 | ND |
| 2018-02-12 | Q1805953004 | ND |
| 2019-03-27 | Q1912759002 | ND |
| 2019-03-27 | Q1912759005 | ND |
| 2020-03-19 | Q2012019003 | ND |
| 2020-03-19 | Q2012019005 | ND |
| 2021-12-07 | Q2134437006 | ND |
| 2021-12-15 | Q2135620001 | ND |
| 2022-04-27 | Q2212615001 | ND |
| 2022-07-27 | Q2221388004 | ND |
| 2023-08-02 | Q2331447006 | ND |
| 2023-11-06 | Q2347802002 | ND |