Dieldrin
City of Rule
NOTE: City of Rule purchases water from North Central Texas Municipal Water Authority which is required to test for dieldrin. Sample information shown below was taken by North Central Texas Municipal Water Authority.
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.
15
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 |
|---|---|---|---|---|
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
NOTE: City of Rule purchases water from North Central Texas Municipal Water Authority which is required to test for dieldrin. Sample information shown below was taken by North Central Texas Municipal Water Authority.
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-13 | Q1806366001 | ND |
| 2018-02-13 | Q1806366002 | ND |
| 2018-05-15 | Q1819778002 | ND |
| 2019-03-07 | Q1909867007 | ND |
| 2020-03-17 | Q2011709001 | ND |
| 2020-03-17 | Q2011709002 | ND |
| 2021-03-01 | Q2105128001 | ND |
| 2021-05-18 | Q2112967001 | ND |
| 2021-08-24 | Q2122978001 | ND |
| 2021-08-24 | Q2122978004 | ND |
| 2021-12-09 | Q2134685001 | ND |
| 2022-03-02 | Q2207242001 | ND |
| 2022-09-07 | Q2226614010 | ND |
| 2023-03-08 | Q2309188007 | ND |
| 2023-09-05 | Q2338005001 | ND |