Bromochloromethane
City of Bremerton
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 | 4 | 0 | ND |
| 2014 | ND | 4 | 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 | ND | 13 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 3 | 0 | ND |
| 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 |
|---|---|---|
| 2013-09-04 | WA97-13-16667-37739 | ND |
| 2013-09-04 | WA97-SE1-13-16667-37743 | ND |
| 2013-09-04 | WA97-13-16667-37741 | ND |
| 2013-12-04 | WA97-SE2-13-22910-52472 | ND |
| 2014-03-04 | WA97-SE3-14-03841-9583 | ND |
| 2014-03-04 | WA97-SE3-14-03841-9584 | ND |
| 2014-03-04 | WA97-SE3-14-03841-9585 | ND |
| 2014-06-03 | WA97-SE1-14-10137-24377 | ND |
| 2019-04-29 | ND | |
| 2019-04-29 | ND | |
| 2019-04-29 | ND | |
| 2019-04-29 | ND | |
| 2019-04-30 | ND | |
| 2019-06-05 | ND | |
| 2019-06-05 | ND | |
| 2019-06-05 | ND | |
| 2019-06-05 | ND | |
| 2019-06-05 | ND | |
| 2019-07-30 | ND | |
| 2019-07-30 | ND | |
| 2019-07-30 | ND | |
| 2021-04-20 | 4106990 | ND |
| 2021-04-20 | 4106992 | ND |
| 2021-04-20 | 4106991 | ND |