Dieldrin
City of San Angelo
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.
9
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-28 | Q1808687003 | ND |
| 2019-05-07 | Q1920785004 | ND |
| 2020-02-18 | Q2006105003 | ND |
| 2021-04-27 | Q2110656001 | ND |
| 2021-07-20 | Q2119111001 | ND |
| 2021-11-22 | Q2132528001 | ND |
| 2022-02-14 | Q2205298001 | ND |
| 2022-05-02 | Q2213012001 | ND |
| 2023-02-15 | Q2306325008 | ND |