Dieldrin
Mountain Springs Water Supply Corporation
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.
8
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 | 4 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 4 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-01-28 | Q1904051014 | ND |
| 2019-01-28 | Q1904051015 | ND |
| 2019-01-28 | Q1904051016 | ND |
| 2019-01-28 | Q1904051017 | ND |
| 2022-10-18 | Q2231735017 | ND |
| 2022-10-18 | Q2231735018 | ND |
| 2022-10-18 | Q2231735019 | ND |
| 2022-10-18 | Q2231735020 | ND |