Dieldrin
Somersworth Water Works
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.
7
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 | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-19 | A402502001 | ND |
| 2014-08-28 | A407278002 | ND |
| 2015-09-24 | 1509-01919-001 | ND |
| 2016-08-18 | 1608-02224-001 | ND |
| 2017-08-08 | 1708-01180-001 | ND |
| 2018-09-18 | 1809-02395-001 | ND |
| 2019-08-27 | 1908-03785-001 | ND |