Dieldrin
Joint Powers Water Board
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 | ND | 2 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-09-30 | 19J0038-01 | ND |
| 2019-12-09 | 19L0733-01 | ND |
| 2020-08-12 | 20H0939-01 | ND |
| 2020-11-04 | 20K0293-01 | ND |
| 2023-07-11 | 23G0441-02 | ND |
| 2023-10-11 | 23J0592-01 | ND |