Dalapon
North Fort Bend Water Authority
NOTE: North Fort Bend Water Authority 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.
475
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 |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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: North Fort Bend Water Authority 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 |
|---|---|---|
| 2014-03-05 | AC45667 | ND |
| 2014-03-05 | AC45666 | ND |
| 2014-03-05 | AC45649 | ND |
| 2014-03-05 | AC45663 | ND |
| 2014-03-05 | AC45650 | ND |
| 2014-03-05 | AC45652 | ND |
| 2014-03-05 | AC45687 | ND |
| 2014-03-05 | AC45688 | ND |
| 2014-03-05 | AC45662 | ND |
| 2014-03-05 | AC45665 | ND |
| 2014-03-05 | AC45651 | ND |
| 2014-03-05 | AC45669 | ND |
| 2014-03-05 | AC45648 | ND |
| 2014-03-06 | AC45965 | ND |
| 2014-03-06 | AC45943 | ND |
| 2014-03-06 | AC45968 | ND |
| 2014-03-14 | AC47173 | ND |
| 2014-04-16 | AC50891 | ND |
| 2014-04-16 | AC50893 | ND |
| 2014-04-16 | AC50899 | ND |
| 2014-04-16 | AC50892 | ND |
| 2014-04-17 | AC51139 | ND |
| 2014-04-17 | AC51143 | ND |
| 2014-04-17 | AC51142 | ND |
| 2014-04-17 | AC51144 | ND |
| 2014-04-17 | AC51140 | ND |
| 2014-04-17 | AC51141 | ND |
| 2014-04-17 | AC51150 | ND |
| 2014-04-17 | AC51138 | ND |
| 2014-05-19 | AC54558 | ND |
| 2014-05-19 | AC54559 | ND |
| 2014-05-19 | AC54574 | ND |
| 2014-05-19 | AC54560 | ND |
| 2014-05-19 | AC54566 | ND |
| 2014-05-19 | AC54552 | ND |
| 2014-05-19 | AC54556 | ND |
| 2014-05-19 | AC54563 | ND |
| 2014-05-19 | AC54553 | ND |
| 2014-05-19 | AC54568 | ND |
| 2014-05-20 | AC54716 | ND |
| 2014-05-20 | AC54748 | ND |
| 2014-05-20 | AC54708 | ND |
| 2014-05-20 | AC54719 | ND |
| 2014-05-20 | AC54715 | ND |
| 2014-05-20 | AC54713 | ND |
| 2014-06-03 | AC55820 | ND |
| 2014-07-15 | AC59753 | ND |
| 2014-07-15 | AC59757 | ND |
| 2014-07-15 | AC59754 | ND |
| 2014-07-15 | AC59755 | ND |
| 2014-07-15 | AC59752 | ND |
| 2014-07-15 | AC59749 | ND |
| 2014-07-15 | AC59770 | ND |
| 2014-07-15 | AC59769 | ND |
| 2014-07-15 | AC59750 | ND |
| 2014-07-15 | AC59751 | ND |
| 2014-07-15 | AC59756 | ND |
| 2014-07-16 | AC59859 | ND |
| 2014-07-16 | AC59879 | ND |
| 2014-07-16 | AC59878 | ND |
| 2014-07-16 | AC59892 | ND |
| 2014-07-16 | AC59893 | ND |
| 2014-07-16 | AC59897 | ND |
| 2014-08-14 | AC63734 | ND |
| 2014-08-14 | AC63738 | ND |
| 2014-08-14 | AC63737 | ND |
| 2014-08-14 | AC63740 | ND |
| 2014-10-08 | AC69224 | ND |
| 2014-10-08 | AC69228 | ND |
| 2014-10-08 | AC69225 | ND |
| 2014-10-09 | AC69380 | ND |
| 2014-10-09 | AC69377 | ND |
| 2014-10-09 | AC69376 | ND |
| 2014-10-09 | AC69378 | ND |
| 2014-10-09 | AC69375 | ND |
| 2014-10-09 | AC69379 | ND |
| 2014-12-09 | AC74240 | ND |
| 2014-12-09 | AC74239 | ND |
| 2014-12-09 | AC74238 | ND |
| 2014-12-18 | AC75440 | ND |
| 2014-12-18 | AC75453 | ND |
| 2014-12-18 | AC75448 | ND |
| 2014-12-18 | AC75446 | ND |
| 2014-12-18 | AC75451 | ND |
| 2014-12-18 | AC75447 | ND |
| 2014-12-18 | AC75473 | ND |
| 2014-12-19 | AC75631 | ND |
| 2014-12-19 | AC75628 | ND |
| 2014-12-19 | AC75649 | ND |
| 2014-12-19 | AC75637 | ND |
| 2014-12-19 | AC75645 | ND |
| 2014-12-19 | AC75629 | ND |
| 2014-12-19 | AC75625 | ND |
| 2014-12-19 | AC75626 | ND |
| 2014-12-19 | AC75638 | ND |
| 2014-12-19 | AC75633 | ND |
| 2015-03-04 | AC83017 | ND |
| 2015-03-04 | AC82676 | ND |
| 2015-03-04 | AC82679 | ND |
| 2015-03-04 | AC82733 | ND |
| 2015-03-04 | AC82669 | ND |
| 2015-03-04 | AC82675 | ND |
| 2015-03-04 | AC82671 | ND |
| 2015-03-04 | AC82728 | ND |
| 2015-03-04 | AC82667 | ND |
| 2015-03-04 | AC82672 | ND |
| 2015-03-04 | AC82668 | ND |
| 2015-03-04 | AC82664 | ND |
| 2015-03-04 | AC82673 | ND |
| 2015-03-05 | AC82712 | ND |
| 2015-03-05 | AC82708 | ND |
| 2015-03-05 | AC82707 | ND |
| 2015-03-05 | AC82688 | ND |
| 2015-06-16 | AC96151 | ND |
| 2015-06-16 | AC96154 | ND |
| 2015-06-16 | AC96145 | ND |
| 2015-06-16 | AC96139 | ND |
| 2015-06-16 | AC96142 | ND |
| 2015-06-16 | AC96137 | ND |
| 2015-06-16 | AC96155 | ND |
| 2015-06-16 | AC96150 | ND |
| 2015-06-16 | AC96138 | ND |
| 2015-06-17 | AC96243 | ND |
| 2015-06-17 | AC96260 | ND |
| 2015-06-17 | AC96262 | ND |
| 2015-06-17 | AC96274 | ND |
| 2015-06-17 | AC96273 | ND |
| 2015-06-17 | AC96265 | ND |
| 2015-09-16 | AD07294 | ND |
| 2015-09-16 | AD07297 | ND |
| 2015-09-16 | AD07293 | ND |
| 2015-09-16 | AD07312 | ND |
| 2015-09-16 | AD07313 | ND |
| 2015-09-16 | AD07304 | ND |
| 2015-09-16 | AD07302 | ND |
| 2015-09-16 | AD07311 | ND |
| 2015-09-16 | AD07292 | ND |
| 2015-09-16 | AD07329 | ND |
| 2015-09-16 | AD07327 | ND |
| 2015-09-17 | AD07537 | ND |
| 2015-09-17 | AD07538 | ND |
| 2015-09-17 | AD07563 | ND |
| 2015-09-17 | AD07536 | ND |
| 2015-09-17 | AD07546 | ND |
| 2015-11-16 | AD13562 | ND |
| 2015-11-16 | AD13618 | ND |
| 2015-11-16 | AD13561 | ND |
| 2015-11-16 | AD13559 | ND |
| 2015-11-16 | AD13619 | ND |
| 2015-11-16 | AD13558 | ND |
| 2015-11-16 | AD13565 | ND |
| 2015-11-16 | AD13556 | ND |
| 2015-11-16 | AD13557 | ND |
| 2015-11-16 | AD13560 | ND |
| 2015-11-17 | AD13768 | ND |
| 2015-11-17 | AD13773 | ND |
| 2015-11-17 | AD13767 | ND |
| 2015-11-17 | AD13772 | ND |
| 2015-11-17 | AD13771 | ND |
| 2015-11-17 | AD13766 | ND |
| 2016-02-18 | AD24477 | ND |
| 2016-03-03 | AD26975 | ND |
| 2016-03-16 | AD29181 | ND |
| 2016-03-16 | AD29178 | ND |
| 2016-03-16 | AD29018 | ND |
| 2016-03-16 | AD29033 | ND |
| 2016-03-16 | AD29030 | ND |
| 2016-03-16 | AD29037 | ND |
| 2016-03-16 | AD29019 | ND |
| 2016-03-16 | AD29027 | ND |
| 2016-03-16 | AD29029 | ND |
| 2016-03-16 | AD29036 | ND |
| 2016-03-16 | AD29032 | ND |
| 2016-03-16 | AD29026 | ND |
| 2016-03-17 | AD29414 | ND |
| 2016-03-17 | AD29319 | ND |
| 2016-03-17 | AD29323 | ND |
| 2016-03-17 | AD29322 | ND |
| 2016-03-17 | AD29318 | ND |
| 2016-03-17 | AD29320 | ND |
| 2016-03-17 | AD29321 | ND |
| 2016-03-23 | AD30221 | ND |
| 2016-06-15 | AD40718 | ND |
| 2016-06-15 | AD40714 | ND |
| 2016-06-15 | AD40722 | ND |
| 2016-06-15 | AD40725 | ND |
| 2016-06-15 | AD40726 | ND |
| 2016-06-15 | AD40716 | ND |
| 2016-06-15 | AD40719 | ND |
| 2016-06-15 | AD40710 | ND |
| 2016-06-15 | AD40730 | ND |
| 2016-06-15 | AD40727 | ND |
| 2016-06-15 | AD40720 | ND |
| 2016-06-15 | AD40717 | ND |
| 2016-06-16 | AD40972 | ND |
| 2016-06-16 | AD40971 | ND |
| 2016-06-16 | AD40964 | ND |
| 2016-06-16 | AD40968 | ND |
| 2016-09-20 | AD50441 | ND |
| 2016-09-20 | AD50440 | ND |
| 2016-09-20 | AD50324 | ND |
| 2016-09-20 | AD50327 | ND |
| 2016-09-20 | AD50330 | ND |
| 2016-09-20 | AD50329 | ND |
| 2016-09-20 | AD50325 | ND |
| 2016-09-20 | AD50328 | ND |
| 2016-09-20 | AD50326 | ND |
| 2016-09-21 | AD50866 | ND |
| 2016-09-21 | AD50707 | ND |
| 2016-09-21 | AD50686 | ND |
| 2016-09-21 | AD50697 | ND |
| 2016-09-21 | AD50708 | ND |
| 2016-09-21 | AD50712 | ND |
| 2016-09-21 | AD50710 | ND |
| 2016-09-21 | AD50696 | ND |
| 2016-09-21 | AD50706 | ND |
| 2016-09-21 | AD50695 | ND |
| 2016-10-06 | AD52699 | ND |
| 2016-11-17 | AD58543 | ND |
| 2016-11-17 | AD58538 | ND |
| 2016-11-17 | AD58539 | ND |
| 2016-11-17 | AD58536 | ND |
| 2016-11-17 | AD58544 | ND |
| 2016-11-17 | AD58545 | ND |
| 2016-11-18 | AD58825 | ND |
| 2016-11-18 | AD58817 | ND |
| 2016-11-18 | AD58820 | ND |
| 2016-11-18 | AD58816 | ND |
| 2016-11-18 | AD58818 | ND |
| 2016-11-18 | AD58815 | ND |
| 2016-11-18 | AD58819 | ND |
| 2016-11-18 | AD58814 | ND |
| 2016-11-21 | AD58774 | ND |
| 2016-11-21 | AD58775 | ND |
| 2017-01-26 | AD67268 | ND |
| 2017-01-26 | AD67274 | ND |
| 2017-01-26 | AD67273 | ND |
| 2017-01-26 | AD67267 | ND |
| 2017-02-28 | AD72569 | ND |
| 2017-02-28 | AD72422 | ND |
| 2017-02-28 | AD72419 | ND |
| 2017-02-28 | AD72424 | ND |
| 2017-02-28 | AD72399 | ND |
| 2017-02-28 | AD72421 | ND |
| 2017-02-28 | AD72420 | ND |
| 2017-02-28 | AD72398 | ND |
| 2017-02-28 | AD72418 | ND |
| 2017-02-28 | AD72423 | ND |
| 2017-02-28 | AD72397 | ND |
| 2017-03-01 | AD72739 | ND |
| 2017-03-01 | AD72742 | ND |
| 2017-03-01 | AD72745 | ND |
| 2017-03-01 | AD72737 | ND |
| 2017-03-01 | AD72740 | ND |
| 2017-03-01 | AD72738 | ND |
| 2017-03-02 | AD73241 | ND |
| 2017-03-28 | AD77238 | ND |
| 2017-03-28 | AD77237 | ND |
| 2017-03-28 | AD77248 | ND |
| 2017-03-28 | AD77249 | ND |
| 2017-03-28 | AD77239 | ND |
| 2017-03-29 | AD77533 | ND |
| 2017-03-29 | AD77531 | ND |
| 2017-03-29 | AD77530 | ND |
| 2017-03-29 | AD77532 | ND |
| 2017-04-26 | AD81269 | ND |
| 2017-04-26 | AD81142 | ND |
| 2017-04-26 | AD81144 | ND |
| 2017-04-26 | AD81139 | ND |
| 2017-04-26 | AD81140 | ND |
| 2017-04-26 | AD81136 | ND |
| 2017-04-26 | AD81135 | ND |
| 2017-04-26 | AD81143 | ND |
| 2017-04-26 | AD81141 | ND |
| 2017-04-26 | AD81145 | ND |
| 2017-04-26 | AD81146 | ND |
| 2017-04-26 | AD81137 | ND |
| 2017-04-26 | AD81138 | ND |
| 2017-04-27 | AD81578 | ND |
| 2017-04-27 | AD81577 | ND |
| 2017-04-27 | AD81479 | ND |
| 2017-04-27 | AD81475 | ND |
| 2017-04-27 | AD81478 | ND |
| 2017-04-27 | AD81477 | ND |
| 2017-07-06 | AD88537 | ND |
| 2017-07-06 | AD88535 | ND |
| 2017-07-25 | AD90530 | ND |
| 2017-07-25 | AD90522 | ND |
| 2017-07-25 | AD90525 | ND |
| 2017-07-25 | AD90543 | ND |
| 2017-07-25 | AD90545 | ND |
| 2017-07-25 | AD90544 | ND |
| 2017-07-25 | AD90523 | ND |
| 2017-07-25 | AD90532 | ND |
| 2017-07-25 | AD90524 | ND |
| 2017-07-25 | AD90531 | ND |
| 2017-07-25 | AD90521 | ND |
| 2017-07-26 | AD90913 | ND |
| 2017-07-26 | AD90799 | ND |
| 2017-07-26 | AD90804 | ND |
| 2017-07-26 | AD90796 | ND |
| 2017-07-26 | AD90797 | ND |
| 2017-07-26 | AD90802 | ND |
| 2017-09-11 | AD95592 | ND |
| 2017-09-11 | AD95599 | ND |
| 2017-09-11 | AD95596 | ND |
| 2017-09-11 | AD95593 | ND |
| 2017-09-11 | AD95595 | ND |
| 2017-09-11 | AD95597 | ND |
| 2017-09-26 | AD98109 | ND |
| 2017-09-26 | AD98108 | ND |
| 2017-11-07 | AE03918 | ND |
| 2017-11-07 | AE03920 | ND |
| 2017-11-07 | AE03917 | ND |
| 2017-11-07 | AE03916 | ND |
| 2017-11-07 | AE03919 | ND |
| 2017-11-07 | AE03921 | ND |
| 2017-11-14 | AE04808 | ND |
| 2017-11-15 | AE04936 | ND |
| 2017-11-15 | AE04933 | ND |
| 2017-11-15 | AE04925 | ND |
| 2017-11-15 | AE04930 | ND |
| 2017-11-15 | AE04931 | ND |
| 2017-11-15 | AE04924 | ND |
| 2017-11-15 | AE04926 | ND |
| 2017-11-15 | AE04927 | ND |
| 2017-11-15 | AE04929 | ND |
| 2017-11-15 | AE04935 | ND |
| 2017-11-15 | AE04928 | ND |
| 2017-11-15 | AE04934 | ND |
| 2017-11-15 | AE04932 | ND |
| 2017-11-16 | AE05180 | ND |
| 2017-11-16 | AE05181 | ND |
| 2017-11-16 | AE05182 | ND |
| 2017-12-04 | AE06626 | ND |
| 2017-12-04 | AE06625 | ND |
| 2018-01-18 | AE09316 | ND |
| 2018-02-07 | AE12988 | ND |
| 2018-02-07 | AE12993 | ND |
| 2018-02-07 | AE12992 | ND |
| 2018-02-07 | AE12989 | ND |
| 2018-02-07 | AE13012 | ND |
| 2018-02-07 | AE12952 | ND |
| 2018-02-07 | AE12999 | ND |
| 2018-02-07 | AE12958 | ND |
| 2018-02-08 | AE12996 | ND |
| 2018-02-08 | AE12990 | ND |
| 2018-02-08 | AE12963 | ND |
| 2018-02-08 | AE12991 | ND |
| 2018-02-08 | AE13014 | ND |
| 2018-02-08 | AE12997 | ND |
| 2018-02-08 | AE13010 | ND |
| 2018-02-08 | AE13011 | ND |
| 2018-04-17 | AE22960 | ND |
| 2018-04-17 | AE22998 | ND |
| 2018-04-17 | AE22956 | ND |
| 2018-04-17 | AE22955 | ND |
| 2018-04-17 | AE22996 | ND |
| 2018-04-17 | AE22961 | ND |
| 2018-04-17 | AE22953 | ND |
| 2018-04-17 | AE22994 | ND |
| 2018-04-17 | AE22959 | ND |
| 2018-04-18 | AE22995 | ND |
| 2018-04-18 | AE22958 | ND |
| 2018-04-18 | AE22962 | ND |
| 2018-04-18 | AE22966 | ND |
| 2018-04-18 | AE22965 | ND |
| 2018-04-18 | AE22954 | ND |
| 2018-05-22 | AE27203 | ND |
| 2018-08-28 | AE38800 | ND |
| 2018-08-28 | AE38798 | ND |
| 2018-08-28 | AE38793 | ND |
| 2018-08-28 | AE38807 | ND |
| 2018-08-28 | AE38796 | ND |
| 2018-08-28 | AE38805 | ND |
| 2018-08-28 | AE38803 | ND |
| 2018-08-28 | AE38792 | ND |
| 2018-08-28 | AE38799 | ND |
| 2018-08-28 | AE38797 | ND |
| 2018-08-28 | AE38794 | ND |
| 2018-08-28 | AE38795 | ND |
| 2018-08-29 | AE38802 | ND |
| 2018-08-29 | AE38806 | ND |
| 2018-08-29 | AE38801 | ND |
| 2018-08-29 | AE38804 | ND |
| 2018-11-13 | AE46051 | ND |
| 2018-11-13 | AE46052 | ND |
| 2018-11-13 | AE46033 | ND |
| 2018-11-13 | AE46049 | ND |
| 2018-11-13 | AE46044 | ND |
| 2018-11-13 | AE46050 | ND |
| 2018-11-13 | AE46045 | ND |
| 2018-11-13 | AE46055 | ND |
| 2018-11-13 | AE46037 | ND |
| 2018-11-13 | AE46054 | ND |
| 2018-11-13 | AE46038 | ND |
| 2018-11-13 | AE46039 | ND |
| 2018-11-14 | AE46042 | ND |
| 2018-11-14 | AE46043 | ND |
| 2018-11-14 | AE46058 | ND |
| 2018-11-14 | AE46053 | ND |
| 2019-01-15 | AE50229 | ND |
| 2019-01-15 | AE50230 | ND |
| 2019-01-15 | AE50125 | ND |
| 2019-01-15 | AE50069 | ND |
| 2019-01-15 | AE50072 | ND |
| 2019-01-15 | AE50068 | ND |
| 2019-01-15 | AE50067 | ND |
| 2019-01-15 | AE50075 | ND |
| 2019-01-15 | AE50084 | ND |
| 2019-01-15 | AE50070 | ND |
| 2019-01-15 | AE50071 | ND |
| 2019-01-15 | AE50093 | ND |
| 2019-01-16 | AE50236 | ND |
| 2019-01-16 | AE50087 | ND |
| 2019-01-16 | AE50074 | ND |
| 2019-01-16 | AE50088 | ND |
| 2019-01-16 | AE50080 | ND |
| 2019-01-16 | AE50073 | ND |
| 2019-01-16 | AE50126 | ND |
| 2019-03-06 | AE57435 | ND |
| 2019-03-06 | AE57434 | ND |
| 2019-04-10 | AE62131 | ND |
| 2019-04-10 | AE62008 | ND |
| 2019-04-10 | AE62027 | ND |
| 2019-04-10 | AE62002 | ND |
| 2019-04-10 | AE62030 | ND |
| 2019-04-10 | AE62006 | ND |
| 2019-04-10 | AE62007 | ND |
| 2019-04-10 | AE62019 | ND |
| 2019-04-10 | AE62020 | ND |
| 2019-04-10 | AE62029 | ND |
| 2019-04-10 | AE61994 | ND |
| 2019-04-11 | AE61988 | ND |
| 2019-04-11 | AE61985 | ND |
| 2019-04-11 | AE61983 | ND |
| 2019-04-11 | AE61984 | ND |
| 2019-04-11 | AE61986 | ND |
| 2019-04-11 | AE61987 | ND |
| 2019-07-24 | AE75953 | ND |
| 2019-07-24 | AE75954 | ND |
| 2019-07-24 | AE75952 | ND |
| 2019-07-24 | AE75955 | ND |
| 2019-07-24 | AE75951 | ND |
| 2019-07-24 | AE75949 | ND |
| 2019-07-24 | AE75950 | ND |
| 2019-07-24 | AE75944 | ND |
| 2019-07-24 | AE75945 | ND |
| 2019-07-24 | AE75956 | ND |
| 2019-07-25 | AE76036 | ND |
| 2019-07-25 | AE76035 | ND |
| 2019-07-25 | AE75909 | ND |
| 2019-07-25 | AE75904 | ND |
| 2019-07-25 | AE75910 | ND |
| 2019-07-25 | AE75906 | ND |
| 2019-07-25 | AE75943 | ND |
| 2019-07-25 | AE75942 | ND |
| 2019-09-23 | AE84275 | ND |
| 2019-09-23 | AE84274 | ND |
| 2019-10-09 | AE86125 | ND |
| 2019-10-09 | AE86124 | ND |
| 2019-10-09 | AE86127 | ND |
| 2019-10-09 | AE86128 | ND |
| 2019-10-09 | AE86126 | ND |
| 2019-10-09 | AE86122 | ND |
| 2019-10-09 | AE86121 | ND |
| 2019-10-09 | AE86129 | ND |
| 2019-10-09 | AE86123 | ND |
| 2019-10-10 | AE86286 | ND |
| 2019-10-10 | AE86282 | ND |
| 2019-10-10 | AE86285 | ND |
| 2019-10-10 | AE86281 | ND |
| 2019-10-10 | AE86283 | ND |
| 2019-10-10 | AE86284 | ND |
| 2019-10-10 | AE86287 | ND |