Bromomethane
Williams Water Supply
Bromomethane, or methyl bromide, is a pesticide fumigant that was banned because it depletes the ozone layer.
11
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 |
|---|---|---|---|---|
| 2018 | 0.650 ppb | 2 | 2 | 0.600 ppb - 0.700 ppb |
| 2019 | 0.700 ppb | 3 | 3 | 0.600 ppb - 0.800 ppb |
| 2020 | 0.600 ppb | 1 | 1 | 0.600 ppb |
| 2021 | 0.867 ppb | 3 | 3 | 0.800 ppb - 0.900 ppb |
| 2022 | 0.800 ppb | 2 | 2 | 0.500 ppb - 1.10 ppb |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-01 | OE652868 | 0.600 ppb |
| 2018-11-07 | OE738065 | 0.700 ppb |
| 2019-05-06 | OE803980 | 0.700 ppb |
| 2019-08-05 | OE845462 | 0.600 ppb |
| 2019-11-11 | OE892259 | 0.800 ppb |
| 2020-08-03 | OE1156353 | 0.600 ppb |
| 2021-02-01 | OE1573212 | 0.800 ppb |
| 2021-05-03 | OE1683169 | 0.900 ppb |
| 2021-08-02 | OE1778892 | 0.900 ppb |
| 2022-06-15 | OE2118487 | 1.10 ppb |
| 2022-08-09 | OE2153453 | 0.500 ppb |