Bromomethane
City of Chesapeake - Western Branch System
NOTE: City of Chesapeake - Western Branch System purchases water from City of Portsmouth which is required to test for bromomethane. Sample information shown below was taken by City of Portsmouth.
Bromomethane, or methyl bromide, is a pesticide fumigant that was banned because it depletes the ozone layer.
5
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | ND | 2 | 0 | ND |
| 2014 | ND | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
NOTE: City of Chesapeake - Western Branch System purchases water from City of Portsmouth which is required to test for bromomethane. Sample information shown below was taken by City of Portsmouth.
| Date | Lab ID | Result |
|---|---|---|
| 2013-01-11 | 201301170718AM | ND |
| 2013-04-09 | 201304110612AM | ND |
| 2013-07-08 | 201307090245AM | ND |
| 2013-10-01 | 201310030468AM | ND |
| 2018-04-16 | 3914796 | ND |