Dieldrin
City of Alvin
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 3 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-01-22 | AC77400 | ND |
| 2015-01-22 | AC77401 | ND |
| 2015-01-22 | AC77398 | ND |
| 2018-02-20 | AE14534 | ND |
| 2018-02-20 | AE14545 | ND |
| 2018-02-20 | AE14536 | ND |
| 2019-02-25 | AE55734 | ND |
| 2019-04-16 | AE62661 | ND |