Dieldrin
Dartmouth Water Division
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 6 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 4 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2014-02-11 | ND |
| 2014-02-11 | ND |
| 2014-02-11 | ND |
| 2014-07-17 | ND |
| 2014-07-17 | ND |
| 2014-08-28 | ND |
| 2016-02-24 | ND |
| 2016-04-13 | ND |
| 2016-08-04 | ND |
| 2016-10-05 | ND |
| 2018-04-17 | ND |
| 2018-12-18 | ND |