Dieldrin
La Crosse Waterworks
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.
11
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 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 11 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2017-03-08 | 17C0300-01 | ND |
| 2017-03-15 | 17C0533-01 | ND |
| 2017-03-16 | 17C0605-01 | ND |
| 2017-06-21 | 17F0857-01 | ND |
| 2017-06-21 | 17F0857-03 | ND |
| 2017-06-21 | 17F0857-02 | ND |
| 2017-06-22 | 17F0900-01 | ND |
| 2017-06-26 | 17F0985-01 | ND |
| 2017-06-28 | 17F1145-02 | ND |
| 2017-06-28 | 17F1145-01 | ND |
| 2017-08-21 | 17H0886-01 | ND |