Dieldrin
Rison 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.
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 | 4 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 6 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-05 | 14037002906 | ND |
| 2014-02-05 | 14037002806 | ND |
| 2014-05-05 | 14128006606 | ND |
| 2014-05-05 | 14128006506 | ND |
| 2017-01-16 | 17018000406 | ND |
| 2017-01-16 | 17018000306 | ND |
| 2017-06-07 | 17158001806 | ND |
| 2017-06-07 | 17158001906 | ND |
| 2017-10-04 | 17278011301 | ND |
| 2017-10-04 | 17278011401 | ND |
| 2018-03-21 | 18081001601 | ND |
| 2018-03-21 | 18081001501 | ND |