Dieldrin
Monticello Water Department
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.
25
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 8 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-14 | 14198008706 | ND |
| 2014-07-14 | 14198008606 | ND |
| 2014-09-30 | 14275001606 | ND |
| 2014-09-30 | 14275001506 | ND |
| 2014-11-03 | 14310002006 | ND |
| 2014-11-03 | 14310002206 | ND |
| 2014-11-03 | 14310002106 | ND |
| 2014-11-03 | 14310001906 | ND |
| 2015-08-03 | 15218000306 | ND |
| 2016-01-20 | 16025000206 | ND |
| 2016-05-03 | 16126016306 | ND |
| 2016-05-03 | 16126016406 | ND |
| 2017-11-06 | 17312000606 | ND |
| 2017-11-06 | 17312000306 | ND |
| 2017-11-06 | 17312000406 | ND |
| 2017-11-06 | 17312000506 | ND |
| 2018-03-21 | 18081001101 | ND |
| 2018-03-21 | 18081001301 | ND |
| 2018-03-21 | 18081001201 | ND |
| 2018-06-18 | 18172000201 | ND |
| 2018-06-18 | 18172000101 | ND |
| 2019-02-26 | 19059002406 | ND |
| 2019-04-30 | 19121003806 | ND |
| 2019-04-30 | 19121003706 | ND |
| 2019-09-16 | 19261001506 | ND |