Dieldrin
San Jose Water Company
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.
10
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 7 | 0 | ND |
| 2017 | ND | 1 | 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 |
|---|---|---|
| 2016-05-04 | 1233-198-1200 | ND |
| 2016-05-20 | 5867-075-0900 | ND |
| 2016-06-15 | 1233-199-1300 | ND |
| 2016-07-26 | 1233-198-1230 | ND |
| 2016-08-25 | 1233-194-1200 | ND |
| 2016-10-03 | 1233-196-1100 | ND |
| 2016-12-15 | 1233-195-1200 | ND |
| 2017-05-08 | 9588-027-0925 | ND |
| 2018-02-06 | 5867-075-1225 | ND |
| 2018-02-06 | 5867-202-1220 | ND |