Dieldrin
Harris County Municipal Utility District 23
NOTE: Harris County Municipal Utility District 23 purchases water from City of Houston which is required to test for dieldrin. Sample information shown below was taken by City of Houston.
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.
145
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Harris County Municipal Utility District 23 purchases water from City of Houston which is required to test for dieldrin. Sample information shown below was taken by City of Houston.
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-18 | AE09332 | ND |
| 2018-01-18 | AE09333 | ND |
| 2018-01-18 | AE09334 | ND |
| 2018-01-18 | AE09335 | ND |
| 2018-01-23 | AE09966 | ND |
| 2018-01-23 | AE09967 | ND |
| 2018-01-23 | AE09968 | ND |
| 2018-01-23 | AE09969 | ND |
| 2018-01-23 | AE09970 | ND |
| 2018-01-31 | AE11685 | ND |
| 2018-03-29 | AE20732 | ND |
| 2018-03-29 | AE20733 | ND |
| 2018-03-29 | AE20734 | ND |
| 2018-03-29 | AE20735 | ND |
| 2018-03-29 | AE20736 | ND |
| 2018-03-29 | AE20737 | ND |
| 2018-03-29 | AE20738 | ND |
| 2018-04-26 | AE24261 | ND |
| 2018-04-26 | AE24262 | ND |
| 2018-04-26 | AE24263 | ND |
| 2018-04-26 | AE24264 | ND |
| 2018-04-26 | AE24265 | ND |
| 2018-04-26 | AE24266 | ND |
| 2018-04-26 | AE24267 | ND |
| 2018-05-22 | AE27323 | ND |
| 2018-05-22 | AE27324 | ND |
| 2018-05-22 | AE27325 | ND |
| 2018-05-22 | AE27326 | ND |
| 2018-07-19 | AE33997 | ND |
| 2018-07-19 | AE33998 | ND |
| 2018-07-19 | AE33999 | ND |
| 2018-08-03 | AE35922 | ND |
| 2018-08-15 | AE37251 | ND |
| 2018-08-15 | AE37252 | ND |
| 2018-08-15 | AE37253 | ND |
| 2018-08-29 | AE38821 | ND |
| 2018-09-26 | AE41818 | ND |
| 2018-09-26 | AE41819 | ND |
| 2018-11-14 | AE46119 | ND |
| 2019-01-15 | AE50268 | ND |
| 2019-01-15 | AE50269 | ND |
| 2019-01-16 | AE50270 | ND |
| 2019-01-16 | AE50275 | ND |
| 2019-03-06 | AE57458 | ND |
| 2019-03-06 | AE57462 | ND |
| 2019-03-06 | AE57463 | ND |
| 2019-03-06 | AE57464 | ND |
| 2019-03-06 | AE57465 | ND |
| 2019-04-11 | AE62164 | ND |
| 2019-07-24 | AE76049 | ND |
| 2019-07-25 | AE76050 | ND |
| 2019-07-25 | AE76051 | ND |
| 2019-09-23 | AE84283 | ND |
| 2019-09-23 | AE84284 | ND |
| 2019-10-10 | AE86371 | ND |
| 2019-11-18 | AE89651 | ND |
| 2019-11-18 | AE89652 | ND |
| 2019-11-18 | AE89653 | ND |
| 2019-11-22 | AE90470 | ND |
| 2019-11-22 | AE90471 | ND |
| 2019-12-02 | AE90861 | ND |
| 2020-02-25 | AE99858 | ND |
| 2020-03-16 | AF03076 | ND |
| 2020-05-26 | AF12686 | ND |
| 2020-05-26 | AF12689 | ND |
| 2020-05-26 | AF12690 | ND |
| 2020-06-11 | AF15155 | ND |
| 2020-06-11 | AF15156 | ND |
| 2020-06-29 | AF17345 | ND |
| 2020-08-03 | AF21700 | ND |
| 2020-08-03 | AF21701 | ND |
| 2020-08-27 | AF25726 | ND |
| 2020-11-04 | AF33327 | ND |
| 2020-11-04 | AF33335 | ND |
| 2020-11-05 | AF33543 | ND |
| 2020-11-30 | AF35893 | ND |
| 2020-12-04 | AF36756 | ND |
| 2021-02-10 | AF43577 | ND |
| 2021-02-10 | AF43578 | ND |
| 2021-02-10 | AF43579 | ND |
| 2021-02-10 | AF43580 | ND |
| 2021-02-10 | AF43581 | ND |
| 2021-04-28 | AF52012 | ND |
| 2021-04-29 | AF52010 | ND |
| 2021-04-29 | AF52011 | ND |
| 2021-04-29 | AF52016 | ND |
| 2021-05-24 | AF55175 | ND |
| 2021-07-21 | AF62902 | ND |
| 2021-07-21 | AF62903 | ND |
| 2021-07-21 | AF62904 | ND |
| 2021-07-21 | AF62905 | ND |
| 2021-07-21 | AF62909 | ND |
| 2021-08-03 | AF64567 | ND |
| 2021-08-03 | AF64568 | ND |
| 2021-09-09 | AF69372 | ND |
| 2021-09-09 | AF69373 | ND |
| 2021-10-13 | Q2128693001 | ND |
| 2021-10-13 | Q2128693002 | ND |
| 2021-10-13 | Q2128693003 | ND |
| 2021-10-13 | Q2128693004 | ND |
| 2021-10-13 | Q2128693005 | ND |
| 2021-10-13 | Q2128693006 | ND |
| 2021-10-13 | Q2128693007 | ND |
| 2021-12-14 | Q2135450001 | ND |
| 2021-12-14 | Q2135450002 | ND |
| 2021-12-14 | Q2135450003 | ND |
| 2021-12-14 | Q2135450004 | ND |
| 2021-12-15 | Q2135658001 | ND |
| 2021-12-15 | Q2135658002 | ND |
| 2021-12-15 | Q2135658003 | ND |
| 2022-02-18 | AF85731 | ND |
| 2022-03-23 | AF90316 | ND |
| 2022-03-23 | AF90317 | ND |
| 2022-03-24 | AF90590 | ND |
| 2022-03-24 | AF90591 | ND |
| 2022-03-24 | AF90592 | ND |
| 2022-04-06 | AF92299 | ND |
| 2022-06-29 | AG02893 | ND |
| 2022-08-16 | AG09540 | ND |
| 2022-08-16 | AG09541 | ND |
| 2022-08-17 | AG09812 | ND |
| 2022-10-10 | AG16500 | ND |
| 2022-10-10 | AG16501 | ND |
| 2022-10-10 | AG16505 | ND |
| 2022-10-11 | AG16720 | ND |
| 2022-10-24 | AG18144 | ND |
| 2022-10-24 | AG18154 | ND |
| 2022-10-25 | AG18412 | ND |
| 2022-10-25 | AG18413 | ND |
| 2023-01-31 | AG26954 | ND |
| 2023-01-31 | AG26955 | ND |
| 2023-01-31 | AG26957 | ND |
| 2023-01-31 | AG26958 | ND |
| 2023-02-23 | AG30377 | ND |
| 2023-04-06 | AG35950 | ND |
| 2023-04-06 | AG35951 | ND |
| 2023-06-27 | AG46316 | ND |
| 2023-06-27 | AG46317 | ND |
| 2023-06-27 | AG46318 | ND |
| 2023-08-23 | AG53806 | ND |
| 2023-08-24 | AG54109 | ND |
| 2023-08-24 | AG54110 | ND |
| 2023-08-24 | AG54115 | ND |
| 2023-10-10 | AG59214 | ND |
| 2023-10-11 | AG59519 | ND |