Dieldrin
Winona
Dieldrin is a highly toxic insecticide that was banned in the 1970s due to its persistence in the environment and toxicity to people and wildlife.
6
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 2 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-09-25 | 19I2597-01 | ND |
| 2019-12-18 | 19L1114-01 | ND |
| 2021-07-06 | 21G0218-01 | ND |
| 2021-10-20 | 21J1071-01 | ND |
| 2023-04-04 | 23D0167-01 | ND |
| 2023-08-10 | 23H1479-01 | ND |