Dieldrin
Madera Valley Water Supply Corporation
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.
6
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 | ND | 3 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-09-13 | Q1637766014 | ND |
| 2016-09-13 | Q1637766005 | ND |
| 2016-09-13 | Q1637766006 | ND |
| 2019-06-20 | Q1938291010 | ND |
| 2019-06-20 | Q1938291011 | ND |
| 2019-06-20 | Q1938291012 | ND |