Dalapon
Clear Brook City MUD
NOTE: Clear Brook City MUD purchases water from City of Houston which is required to test for dalapon. Sample information shown below was taken by City of Houston.
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
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 | 16 | 0 | ND |
2019 | ND | 16 | 0 | ND |
2020 | ND | 19 | 0 | ND |
2021 | ND | 16 | 0 | ND |
2022 | ND | 16 | 0 | ND |
2023 | ND | 19 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 200 ppb
The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.
ppb = parts per billion
All test results
NOTE: Clear Brook City MUD purchases water from City of Houston which is required to test for dalapon. Sample information shown below was taken by City of Houston.
Date | Lab ID | Result |
---|---|---|
2018-01-18 | AE09316 | ND |
2018-02-07 | AE12952 | ND |
2018-02-07 | AE12958 | ND |
2018-02-07 | AE12988 | ND |
2018-02-07 | AE12989 | ND |
2018-02-07 | AE12992 | ND |
2018-02-07 | AE12993 | ND |
2018-02-07 | AE12999 | ND |
2018-02-07 | AE13012 | ND |
2018-02-08 | AE12963 | ND |
2018-02-08 | AE12990 | ND |
2018-02-08 | AE12991 | ND |
2018-02-08 | AE12996 | ND |
2018-02-08 | AE12997 | ND |
2018-02-08 | AE13010 | ND |
2018-02-08 | AE13011 | ND |
2018-02-08 | AE13014 | ND |
2018-04-17 | AE22953 | ND |
2018-04-17 | AE22955 | ND |
2018-04-17 | AE22956 | ND |
2018-04-17 | AE22959 | ND |
2018-04-17 | AE22960 | ND |
2018-04-17 | AE22961 | ND |
2018-04-17 | AE22994 | ND |
2018-04-17 | AE22996 | ND |
2018-04-17 | AE22998 | ND |
2018-04-18 | AE22954 | ND |
2018-04-18 | AE22958 | ND |
2018-04-18 | AE22962 | ND |
2018-04-18 | AE22965 | ND |
2018-04-18 | AE22966 | ND |
2018-04-18 | AE22995 | ND |
2018-05-22 | AE27203 | ND |
2018-08-28 | AE38792 | ND |
2018-08-28 | AE38793 | ND |
2018-08-28 | AE38794 | ND |
2018-08-28 | AE38795 | ND |
2018-08-28 | AE38796 | ND |
2018-08-28 | AE38797 | ND |
2018-08-28 | AE38798 | ND |
2018-08-28 | AE38799 | ND |
2018-08-28 | AE38800 | ND |
2018-08-28 | AE38803 | ND |
2018-08-28 | AE38805 | ND |
2018-08-28 | AE38807 | ND |
2018-08-29 | AE38801 | ND |
2018-08-29 | AE38802 | ND |
2018-08-29 | AE38804 | ND |
2018-08-29 | AE38806 | ND |
2018-11-13 | AE46033 | ND |
2018-11-13 | AE46037 | ND |
2018-11-13 | AE46038 | ND |
2018-11-13 | AE46039 | ND |
2018-11-13 | AE46044 | ND |
2018-11-13 | AE46045 | ND |
2018-11-13 | AE46049 | ND |
2018-11-13 | AE46050 | ND |
2018-11-13 | AE46051 | ND |
2018-11-13 | AE46052 | ND |
2018-11-13 | AE46054 | ND |
2018-11-13 | AE46055 | ND |
2018-11-14 | AE46042 | ND |
2018-11-14 | AE46043 | ND |
2018-11-14 | AE46053 | ND |
2018-11-14 | AE46058 | ND |
2019-01-15 | AE50067 | ND |
2019-01-15 | AE50068 | ND |
2019-01-15 | AE50069 | ND |
2019-01-15 | AE50070 | ND |
2019-01-15 | AE50071 | ND |
2019-01-15 | AE50072 | ND |
2019-01-15 | AE50075 | ND |
2019-01-15 | AE50084 | ND |
2019-01-15 | AE50093 | ND |
2019-01-15 | AE50125 | ND |
2019-01-15 | AE50229 | ND |
2019-01-15 | AE50230 | ND |
2019-01-16 | AE50073 | ND |
2019-01-16 | AE50074 | ND |
2019-01-16 | AE50080 | ND |
2019-01-16 | AE50087 | ND |
2019-01-16 | AE50088 | ND |
2019-01-16 | AE50126 | ND |
2019-01-16 | AE50236 | ND |
2019-03-06 | AE57434 | ND |
2019-03-06 | AE57435 | ND |
2019-04-10 | AE61994 | ND |
2019-04-10 | AE62002 | ND |
2019-04-10 | AE62006 | ND |
2019-04-10 | AE62007 | ND |
2019-04-10 | AE62008 | ND |
2019-04-10 | AE62019 | ND |
2019-04-10 | AE62020 | ND |
2019-04-10 | AE62027 | ND |
2019-04-10 | AE62029 | ND |
2019-04-10 | AE62030 | ND |
2019-04-10 | AE62131 | ND |
2019-04-11 | AE61983 | ND |
2019-04-11 | AE61984 | ND |
2019-04-11 | AE61985 | ND |
2019-04-11 | AE61986 | ND |
2019-04-11 | AE61987 | ND |
2019-04-11 | AE61988 | ND |
2019-07-24 | AE75944 | ND |
2019-07-24 | AE75945 | ND |
2019-07-24 | AE75949 | ND |
2019-07-24 | AE75950 | ND |
2019-07-24 | AE75951 | ND |
2019-07-24 | AE75952 | ND |
2019-07-24 | AE75953 | ND |
2019-07-24 | AE75954 | ND |
2019-07-24 | AE75955 | ND |
2019-07-24 | AE75956 | ND |
2019-07-25 | AE75904 | ND |
2019-07-25 | AE75906 | ND |
2019-07-25 | AE75909 | ND |
2019-07-25 | AE75910 | ND |
2019-07-25 | AE75942 | ND |
2019-07-25 | AE75943 | ND |
2019-07-25 | AE76035 | ND |
2019-07-25 | AE76036 | ND |
2019-09-23 | AE84274 | ND |
2019-09-23 | AE84275 | ND |
2019-10-09 | AE86121 | ND |
2019-10-09 | AE86122 | ND |
2019-10-09 | AE86123 | ND |
2019-10-09 | AE86124 | ND |
2019-10-09 | AE86125 | ND |
2019-10-09 | AE86126 | ND |
2019-10-09 | AE86127 | ND |
2019-10-09 | AE86128 | ND |
2019-10-09 | AE86129 | ND |
2019-10-10 | AE86281 | ND |
2019-10-10 | AE86282 | ND |
2019-10-10 | AE86283 | ND |
2019-10-10 | AE86284 | ND |
2019-10-10 | AE86285 | ND |
2019-10-10 | AE86286 | ND |
2019-10-10 | AE86287 | ND |
2020-02-24 | AE99742 | ND |
2020-02-24 | AE99745 | ND |
2020-02-24 | AE99748 | ND |
2020-02-24 | AE99749 | ND |
2020-02-24 | AE99750 | ND |
2020-02-24 | AE99751 | ND |
2020-02-24 | AE99756 | ND |
2020-02-24 | AE99757 | ND |
2020-02-24 | AE99758 | ND |
2020-02-24 | AE99759 | ND |
2020-02-25 | AE99741 | ND |
2020-02-25 | AE99744 | ND |
2020-02-25 | AE99752 | ND |
2020-02-25 | AE99753 | ND |
2020-02-25 | AE99754 | ND |
2020-02-25 | AE99755 | ND |
2020-03-16 | AF03030 | ND |
2020-03-16 | AF03031 | ND |
2020-03-16 | AF03034 | ND |
2020-05-05 | AF09608 | ND |
2020-05-05 | AF09609 | ND |
2020-05-05 | AF09610 | ND |
2020-05-05 | AF09611 | ND |
2020-05-05 | AF09612 | ND |
2020-05-05 | AF09620 | ND |
2020-05-05 | AF09621 | ND |
2020-05-05 | AF09624 | ND |
2020-05-05 | AF09626 | ND |
2020-05-05 | AF09629 | ND |
2020-05-06 | AF09607 | ND |
2020-05-06 | AF09613 | ND |
2020-05-06 | AF09622 | ND |
2020-05-06 | AF09625 | ND |
2020-05-06 | AF09627 | ND |
2020-05-06 | AF09630 | ND |
2020-05-26 | AF12660 | ND |
2020-06-11 | AF15134 | ND |
2020-06-11 | AF15135 | ND |
2020-06-29 | AF17329 | ND |
2020-06-29 | AF17332 | ND |
2020-06-29 | AF17333 | ND |
2020-06-29 | AF17334 | ND |
2020-08-26 | AF25339 | ND |
2020-08-26 | AF25340 | ND |
2020-08-26 | AF25341 | ND |
2020-08-26 | AF25344 | ND |
2020-08-26 | AF25360 | ND |
2020-08-26 | AF25361 | ND |
2020-08-26 | AF25362 | ND |
2020-08-26 | AF25365 | ND |
2020-08-26 | AF25366 | ND |
2020-08-26 | AF25367 | ND |
2020-08-27 | AF25608 | ND |
2020-08-27 | AF25621 | ND |
2020-08-27 | AF25622 | ND |
2020-08-27 | AF25623 | ND |
2020-08-27 | AF25624 | ND |
2020-08-27 | AF25625 | ND |
2020-08-27 | AF25709 | ND |
2020-10-19 | AF31174 | ND |
2020-10-19 | AF31175 | ND |
2020-10-19 | AF31176 | ND |
2020-10-19 | AF31177 | ND |
2020-10-19 | AF31179 | ND |
2020-10-26 | AF31949 | ND |
2020-10-26 | AF31950 | ND |
2020-10-26 | AF31951 | ND |
2020-10-26 | AF31952 | ND |
2020-10-26 | AF31953 | ND |
2020-10-26 | AF31954 | ND |
2020-11-04 | AF33307 | ND |
2020-11-04 | AF33308 | ND |
2020-11-04 | AF33309 | ND |
2020-11-04 | AF33310 | ND |
2020-11-04 | AF33311 | ND |
2020-11-05 | AF33519 | ND |
2020-11-05 | AF33520 | ND |
2020-11-05 | AF33521 | ND |
2020-11-05 | AF33522 | ND |
2020-11-05 | AF33523 | ND |
2020-11-30 | AF35828 | ND |
2020-11-30 | AF35829 | ND |
2020-11-30 | AF35830 | ND |
2020-11-30 | AF35831 | ND |
2020-11-30 | AF35832 | ND |
2020-11-30 | AF35833 | ND |
2020-11-30 | AF35834 | ND |
2020-11-30 | AF35835 | ND |
2020-11-30 | AF35836 | ND |
2020-11-30 | AF35837 | ND |
2020-11-30 | AF35877 | ND |
2020-12-02 | AF36206 | ND |
2020-12-02 | AF36207 | ND |
2020-12-02 | AF36208 | ND |
2020-12-02 | AF36209 | ND |
2020-12-02 | AF36229 | ND |
2020-12-02 | AF36230 | ND |
2020-12-04 | AF36735 | ND |
2021-02-10 | AF43551 | ND |
2021-03-10 | AF46470 | ND |
2021-03-10 | AF46471 | ND |
2021-03-10 | AF46495 | ND |
2021-03-10 | AF46496 | ND |
2021-03-10 | AF46497 | ND |
2021-03-10 | AF46498 | ND |
2021-03-10 | AF46499 | ND |
2021-03-10 | AF46500 | ND |
2021-03-10 | AF46501 | ND |
2021-03-10 | AF46502 | ND |
2021-03-10 | AF46503 | ND |
2021-03-11 | AF46484 | ND |
2021-03-11 | AF46485 | ND |
2021-03-11 | AF46486 | ND |
2021-03-11 | AF46487 | ND |
2021-03-11 | AF46488 | ND |
2021-04-28 | AF51888 | ND |
2021-04-28 | AF51889 | ND |
2021-04-28 | AF51890 | ND |
2021-04-28 | AF51891 | ND |
2021-04-28 | AF51901 | ND |
2021-04-28 | AF51902 | ND |
2021-04-28 | AF51903 | ND |
2021-04-28 | AF51904 | ND |
2021-04-28 | AF51905 | ND |
2021-04-28 | AF51906 | ND |
2021-04-28 | AF51907 | ND |
2021-04-29 | AF51895 | ND |
2021-04-29 | AF51896 | ND |
2021-04-29 | AF51897 | ND |
2021-04-29 | AF51898 | ND |
2021-04-29 | AF51899 | ND |
2021-09-08 | AF69287 | ND |
2021-09-08 | AF69288 | ND |
2021-09-08 | AF69289 | ND |
2021-09-08 | AF69290 | ND |
2021-09-08 | AF69291 | ND |
2021-09-08 | AF69292 | ND |
2021-09-08 | AF69293 | ND |
2021-09-08 | AF69294 | ND |
2021-09-08 | AF69295 | ND |
2021-09-08 | AF69296 | ND |
2021-09-08 | AF69297 | ND |
2021-09-08 | AF69298 | ND |
2021-09-09 | AF69283 | ND |
2021-09-09 | AF69284 | ND |
2021-09-09 | AF69285 | ND |
2021-09-09 | AF69286 | ND |
2021-11-30 | AF77495 | ND |
2021-11-30 | AF77496 | ND |
2021-11-30 | AF77497 | ND |
2021-11-30 | AF77498 | ND |
2021-11-30 | AF77499 | ND |
2021-11-30 | AF77500 | ND |
2021-11-30 | AF77501 | ND |
2021-11-30 | AF77502 | ND |
2021-11-30 | AF77503 | ND |
2021-12-01 | AF77650 | ND |
2021-12-01 | AF77659 | ND |
2021-12-01 | AF77660 | ND |
2021-12-01 | AF77661 | ND |
2021-12-01 | AF77662 | ND |
2021-12-01 | AF77663 | ND |
2021-12-01 | AF77664 | ND |
2022-03-23 | AF90193 | ND |
2022-03-23 | AF90194 | ND |
2022-03-23 | AF90195 | ND |
2022-03-23 | AF90196 | ND |
2022-03-23 | AF90197 | ND |
2022-03-23 | AF90198 | ND |
2022-03-23 | AF90199 | ND |
2022-03-23 | AF90292 | ND |
2022-03-23 | AF90296 | ND |
2022-03-24 | AF90450 | ND |
2022-03-24 | AF90451 | ND |
2022-03-24 | AF90452 | ND |
2022-03-24 | AF90453 | ND |
2022-03-24 | AF90454 | ND |
2022-03-24 | AF90455 | ND |
2022-03-24 | AF90456 | ND |
2022-03-24 | AF90457 | ND |
2022-03-24 | AF90458 | ND |
2022-03-24 | AF90558 | ND |
2022-03-24 | AF90559 | ND |
2022-03-24 | AF90560 | ND |
2022-04-06 | AF92285 | ND |
2022-06-27 | AG02327 | ND |
2022-06-27 | AG02328 | ND |
2022-06-27 | AG02329 | ND |
2022-06-27 | AG02330 | ND |
2022-06-27 | AG02331 | ND |
2022-06-27 | AG02332 | ND |
2022-06-27 | AG02333 | ND |
2022-06-27 | AG02334 | ND |
2022-06-27 | AG02335 | ND |
2022-06-27 | AG02336 | ND |
2022-06-29 | AG02756 | ND |
2022-06-29 | AG02757 | ND |
2022-06-29 | AG02758 | ND |
2022-06-29 | AG02759 | ND |
2022-06-29 | AG02760 | ND |
2022-06-29 | AG02761 | ND |
2022-08-16 | AG09425 | ND |
2022-08-16 | AG09426 | ND |
2022-08-16 | AG09427 | ND |
2022-08-16 | AG09428 | ND |
2022-08-16 | AG09429 | ND |
2022-08-16 | AG09430 | ND |
2022-08-16 | AG09431 | ND |
2022-08-16 | AG09523 | ND |
2022-08-16 | AG09524 | ND |
2022-08-17 | AG09616 | ND |
2022-08-17 | AG09617 | ND |
2022-08-17 | AG09618 | ND |
2022-08-17 | AG09619 | ND |
2022-08-17 | AG09620 | ND |
2022-08-17 | AG09621 | ND |
2022-08-17 | AG09622 | ND |
2022-08-17 | AG09623 | ND |
2022-08-17 | AG09624 | ND |
2022-08-17 | AG09784 | ND |
2022-12-14 | AG21771 | ND |
2022-12-14 | AG21772 | ND |
2022-12-14 | AG21773 | ND |
2022-12-14 | AG21774 | ND |
2022-12-14 | AG21775 | ND |
2022-12-14 | AG21776 | ND |
2022-12-14 | AG21777 | ND |
2022-12-14 | AG21778 | ND |
2022-12-14 | AG21779 | ND |
2022-12-14 | AG21780 | ND |
2022-12-14 | AG21781 | ND |
2022-12-14 | AG21782 | ND |
2022-12-15 | AG21916 | ND |
2022-12-15 | AG21917 | ND |
2022-12-15 | AG21918 | ND |
2022-12-15 | AG21919 | ND |
2023-01-31 | AG26896 | ND |
2023-01-31 | AG26906 | ND |
2023-02-22 | AG29909 | ND |
2023-02-22 | AG29912 | ND |
2023-02-22 | AG29916 | ND |
2023-02-22 | AG29918 | ND |
2023-02-22 | AG29919 | ND |
2023-02-22 | AG29920 | ND |
2023-02-22 | AG29921 | ND |
2023-02-22 | AG29922 | ND |
2023-02-22 | AG29923 | ND |
2023-02-22 | AG29924 | ND |
2023-02-22 | AG29925 | ND |
2023-02-23 | AG30203 | ND |
2023-02-23 | AG30204 | ND |
2023-02-23 | AG30205 | ND |
2023-02-23 | AG30206 | ND |
2023-02-23 | AG30207 | ND |
2023-04-06 | AG35904 | ND |
2023-04-06 | AG35905 | ND |
2023-04-06 | AG35906 | ND |
2023-04-06 | AG35907 | ND |
2023-04-06 | AG35917 | ND |
2023-04-06 | AG35918 | ND |
2023-05-16 | AG40790 | ND |
2023-05-16 | AG40791 | ND |
2023-05-16 | AG40792 | ND |
2023-05-16 | AG40819 | ND |
2023-05-16 | AG40820 | ND |
2023-05-16 | AG40821 | ND |
2023-05-16 | AG40822 | ND |
2023-05-16 | AG40826 | ND |
2023-05-16 | AG40827 | ND |
2023-05-16 | AG40828 | ND |
2023-05-16 | AG40899 | ND |
2023-05-17 | AG40767 | ND |
2023-05-17 | AG40793 | ND |
2023-05-17 | AG40795 | ND |
2023-05-17 | AG40796 | ND |
2023-05-17 | AG40797 | ND |
2023-05-17 | AG40798 | ND |
2023-05-17 | AG40898 | ND |
2023-06-27 | AG46274 | ND |
2023-06-27 | AG46275 | ND |
2023-06-27 | AG46276 | ND |
2023-06-27 | AG46277 | ND |
2023-06-27 | AG46278 | ND |
2023-06-27 | AG46280 | ND |
2023-08-23 | AG53697 | ND |
2023-08-23 | AG53698 | ND |
2023-08-23 | AG53704 | ND |
2023-08-24 | AG53958 | ND |
2023-08-24 | AG53959 | ND |
2023-08-24 | AG53961 | ND |
2023-08-24 | AG53962 | ND |
2023-08-24 | AG53963 | ND |
2023-08-24 | AG53966 | ND |
2023-08-24 | AG53967 | ND |
2023-08-24 | AG53968 | ND |
2023-08-24 | AG53969 | ND |
2023-08-24 | AG53983 | ND |
2023-08-24 | AG53984 | ND |
2023-09-21 | AG57217 | ND |
2023-09-21 | AG57218 | ND |
2023-10-10 | AG59185 | ND |
2023-10-10 | AG59186 | ND |
2023-10-10 | AG59187 | ND |
2023-10-10 | AG59188 | ND |
2023-10-10 | AG59190 | ND |
2023-10-11 | AG59491 | ND |
2023-10-11 | AG59492 | ND |
2023-10-11 | AG59493 | ND |
2023-10-11 | AG59494 | ND |
2023-10-11 | AG59495 | ND |
2023-10-11 | AG59496 | ND |
2023-11-29 | AG64797 | ND |
2023-11-29 | AG64798 | ND |
2023-11-29 | AG64799 | ND |
2023-11-29 | AG64800 | ND |
2023-11-29 | AG64801 | ND |
2023-11-29 | AG64802 | ND |
2023-11-29 | AG64803 | ND |
2023-11-29 | AG64804 | ND |
2023-11-29 | AG64805 | ND |
2023-11-29 | AG64806 | ND |
2023-11-29 | AG64807 | ND |
2023-11-29 | AG64808 | ND |
2023-11-29 | AG64809 | ND |
2023-11-30 | AG64996 | ND |
2023-11-30 | AG64997 | ND |
2023-11-30 | AG64998 | ND |
2023-11-30 | AG65061 | ND |
2023-12-18 | AG66889 | ND |
2023-12-18 | AG66890 | ND |
2023-12-18 | AG66892 | ND |
2023-12-18 | AG66894 | ND |