Dieldrin
City of Nacogdoches
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.
12
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 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-04 | Q1406781001 | ND |
| 2014-09-18 | Q1445817001 | ND |
| 2015-03-13 | Q1509587010 | ND |
| 2015-03-13 | Q1509587011 | ND |
| 2016-02-23 | Q1607697005 | ND |
| 2016-02-23 | Q1607697006 | ND |
| 2017-02-08 | Q1705626001 | ND |
| 2017-10-25 | Q1754902005 | ND |
| 2018-01-30 | Q1803538004 | ND |
| 2018-04-18 | Q1815997006 | ND |
| 2019-01-17 | Q1902680011 | ND |
| 2019-01-17 | Q1902680001 | ND |