Bromochloromethane
City of Woodway
NOTE: City of Woodway purchases water from City of Waco which is required to test for bromochloromethane. Sample information shown below was taken by City of Waco.
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 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 12 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
| 2020 | ND | 7 | 0 | ND |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 6 | 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
NOTE: City of Woodway purchases water from City of Waco which is required to test for bromochloromethane. Sample information shown below was taken by City of Waco.
| Date | Lab ID | Result |
|---|---|---|
| 2015-03-26 | 35181337005AM | ND |
| 2015-03-26 | 35181337007AM | ND |
| 2015-06-25 | 35194687001AM | ND |
| 2015-06-25 | 35194689001AM | ND |
| 2015-07-30 | 35199996003AM | ND |
| 2015-07-30 | 35199996001AM | ND |
| 2015-09-28 | 35209341005AM | ND |
| 2015-09-28 | 35209341007AM | ND |
| 2015-09-28 | 35209341003AM | ND |
| 2015-09-28 | 35209341001AM | ND |
| 2015-12-21 | 35222235001AM | ND |
| 2015-12-21 | 35222235003AM | ND |
| 2018-07-19 | AE33981 | ND |
| 2018-07-19 | AE33959 | ND |
| 2019-07-23 | AE75567 | ND |
| 2019-07-23 | AE75565 | ND |
| 2020-02-05 | AE97085 | ND |
| 2020-08-04 | AF21836 | ND |
| 2020-08-04 | AF21834 | ND |
| 2021-07-21 | AF62959 | ND |
| 2021-07-21 | AF62957 | ND |
| 2022-07-06 | AG03338 | ND |
| 2022-07-06 | AG03334 | ND |
| 2023-08-02 | AG51114 | ND |
| 2023-08-02 | AG51088 | ND |