Aldrin
Harris County Water Control and Improvement District 114
NOTE: Harris County Water Control and Improvement District 114 purchases water from North Harris County Regional Water Authority which is required to test for aldrin. Sample information shown below was taken by North Harris County Regional Water Authority.
Aldrin is a pesticide that was banned in the 1970s due to its toxicity to people and wildlife, and its tendency to persist and accumulate in the environment.
Samples
Samples exceeding legal limit (MCL)
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 | 1 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Harris County Water Control and Improvement District 114 purchases water from North Harris County Regional Water Authority which is required to test for aldrin. Sample information shown below was taken by North Harris County Regional Water Authority.
| Date | Lab ID | Result |
|---|