Dieldrin
Harris County Fresh Water Supply District 1a
NOTE: Harris County Fresh Water Supply District 1a purchases water from Baytown Area Water Authority which is required to test for dieldrin. Sample information shown below was taken by Baytown Area 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.
13
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 | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Harris County Fresh Water Supply District 1a purchases water from Baytown Area Water Authority which is required to test for dieldrin. Sample information shown below was taken by Baytown Area Water Authority.
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-12 | AE13417 | ND |
| 2019-01-14 | AE49689 | ND |
| 2020-03-16 | AF03095 | ND |
| 2021-01-12 | AF38943 | ND |
| 2021-10-20 | Q2129689001 | ND |
| 2022-01-12 | Q2201251001 | ND |
| 2022-01-12 | Q2201251002 | ND |
| 2022-04-04 | AF91895 | ND |
| 2022-07-05 | AG03297 | ND |
| 2022-10-11 | AG16723 | ND |
| 2023-01-12 | AG24532 | ND |
| 2023-01-12 | AG24533 | ND |
| 2023-04-05 | AG35693 | ND |