Dieldrin
Crystal Lake
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.
20
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 | 10 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 10 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-07-21 | 15072524-001 | ND |
| 2015-08-04 | 15080556-004 | ND |
| 2015-08-04 | 15080556-001 | ND |
| 2015-08-04 | 15080556-002 | ND |
| 2015-08-04 | 15080556-003 | ND |
| 2015-10-20 | 15101576-004 | ND |
| 2015-10-20 | 15101576-002 | ND |
| 2015-10-20 | 15101576-001 | ND |
| 2015-10-20 | 15101576-005 | ND |
| 2015-10-20 | 15101576-003 | ND |
| 2018-08-07 | 1808549-009A | ND |
| 2018-08-07 | 1808549-007A | ND |
| 2018-08-07 | 1808549-005A | ND |
| 2018-08-07 | 1808549-003A | ND |
| 2018-08-07 | 1808549-001A | ND |
| 2018-10-08 | 1810621-005B | ND |
| 2018-10-08 | 1810621-004B | ND |
| 2018-10-08 | 1810621-003B | ND |
| 2018-10-08 | 1810621-002B | ND |
| 2018-10-08 | 1810621-001B | ND |