Dieldrin
Palmyra-modesto Water Commission
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.
15
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 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-07 | 8031409-01 | ND |
| 2018-06-04 | 8060494-01 | ND |
| 2019-06-11 | 9062188-01 | ND |
| 2020-05-11 | 0052015-01 | ND |
| 2021-05-17 | EE03369-01 | ND |
| 2021-09-28 | 21I1068-01 | ND |
| 2021-11-18 | 21K0681-01 | ND |
| 2022-03-09 | 22C0208-01 | ND |
| 2022-05-09 | 22E0184-01 | ND |
| 2022-08-09 | 22H0311-01 | ND |
| 2022-10-13 | 22J0634-01 | ND |
| 2023-01-12 | 23A0137-01 | ND |
| 2023-05-04 | 23E0204-01 | ND |
| 2023-08-07 | 23H0345-01 | ND |
| 2023-11-08 | 23K0211-01 | ND |