Bromochloromethane
Woodbury City Water Department
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 |
|---|---|---|---|---|
| 2013 | ND | 9 | 0 | ND |
| 2014 | ND | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 3 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2013-05-13 | 719522-8818 | ND |
| 2013-05-13 | 719532-8818 | ND |
| 2013-05-13 | 719530-8818 | ND |
| 2013-05-13 | 719534-8818 | ND |
| 2013-08-07 | 736146-9498 | ND |
| 2013-11-14 | 759178-10302 | ND |
| 2013-11-14 | 759222-10302 | ND |
| 2013-11-14 | 759226-10302 | ND |
| 2013-11-14 | 759224-10302 | ND |
| 2014-02-11 | 770212-10725 | ND |
| 2020-01-29 | L7187088-1 | ND |
| 2020-02-12 | L7188250-2 | ND |
| 2020-02-19 | L7190025-2 | ND |