Dieldrin
Harris County Municipal Utility District 185
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 | 1 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-08-17 | AD04406 | ND |
| 2016-03-22 | AD29965 | ND |
| 2016-05-17 | AD37107 | ND |
| 2016-09-28 | AD52127 | ND |
| 2016-11-14 | AD58135 | ND |
| 2017-01-27 | AD67688 | ND |
| 2018-05-14 | AE26246 | ND |
| 2019-05-14 | AE66313 | ND |