Dalapon
City of Weslaco
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
98
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 | 16 | 0 | ND |
| 2015 | ND | 16 | 0 | ND |
| 2016 | ND | 17 | 0 | ND |
| 2017 | ND | 16 | 0 | ND |
| 2018 | ND | 16 | 0 | ND |
| 2019 | ND | 17 | 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
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-19 | AC47720 | ND |
| 2014-03-19 | AC47708 | ND |
| 2014-03-19 | AC47706 | ND |
| 2014-03-19 | AC47709 | ND |
| 2014-04-22 | AC51374 | ND |
| 2014-04-22 | AC51372 | ND |
| 2014-04-22 | AC51373 | ND |
| 2014-04-22 | AC51375 | ND |
| 2014-07-23 | AC60756 | ND |
| 2014-07-23 | AC60752 | ND |
| 2014-07-23 | AC60751 | ND |
| 2014-07-23 | AC60753 | ND |
| 2014-10-21 | AC70174 | ND |
| 2014-10-21 | AC70155 | ND |
| 2014-10-21 | AC70151 | ND |
| 2014-10-21 | AC70152 | ND |
| 2015-01-23 | AC77742 | ND |
| 2015-01-23 | AC77730 | ND |
| 2015-01-23 | AC77769 | ND |
| 2015-01-23 | AC77768 | ND |
| 2015-04-07 | AC87467 | ND |
| 2015-04-07 | AC87452 | ND |
| 2015-04-07 | AC87455 | ND |
| 2015-04-07 | AC87480 | ND |
| 2015-07-14 | AC99340 | ND |
| 2015-07-14 | AC99325 | ND |
| 2015-07-14 | AC99339 | ND |
| 2015-07-14 | AC99337 | ND |
| 2015-11-18 | AD14007 | ND |
| 2015-11-18 | AD14018 | ND |
| 2015-11-18 | AD14000 | ND |
| 2015-11-18 | AD14002 | ND |
| 2016-03-02 | AD26626 | ND |
| 2016-03-02 | AD26615 | ND |
| 2016-03-02 | AD26621 | ND |
| 2016-03-02 | AD26617 | ND |
| 2016-06-07 | AD39569 | ND |
| 2016-06-07 | AD39571 | ND |
| 2016-06-07 | AD39573 | ND |
| 2016-06-07 | AD39577 | ND |
| 2016-06-07 | AD39641 | ND |
| 2016-07-14 | AD44229 | ND |
| 2016-07-14 | AD44226 | ND |
| 2016-07-14 | AD44227 | ND |
| 2016-07-14 | AD44233 | ND |
| 2016-11-15 | AD57981 | ND |
| 2016-11-15 | AD57985 | ND |
| 2016-11-15 | AD58007 | ND |
| 2016-11-15 | AD57980 | ND |
| 2017-02-09 | AD69893 | ND |
| 2017-02-09 | AD69931 | ND |
| 2017-02-09 | AD69894 | ND |
| 2017-02-09 | AD69898 | ND |
| 2017-05-01 | AD81775 | ND |
| 2017-05-01 | AD81778 | ND |
| 2017-05-01 | AD81780 | ND |
| 2017-05-01 | AD81748 | ND |
| 2017-08-03 | AD92029 | ND |
| 2017-08-03 | AD92016 | ND |
| 2017-08-03 | AD92017 | ND |
| 2017-08-03 | AD92018 | ND |
| 2017-11-02 | AE03418 | ND |
| 2017-11-02 | AE03415 | ND |
| 2017-11-02 | AE03419 | ND |
| 2017-11-02 | AE03416 | ND |
| 2018-02-15 | AE14028 | ND |
| 2018-02-15 | AE14040 | ND |
| 2018-02-15 | AE14048 | ND |
| 2018-02-15 | AE14031 | ND |
| 2018-04-13 | AE22486 | ND |
| 2018-04-13 | AE22485 | ND |
| 2018-04-13 | AE22488 | ND |
| 2018-04-13 | AE22487 | ND |
| 2018-08-15 | AE37175 | ND |
| 2018-08-15 | AE37169 | ND |
| 2018-08-15 | AE37161 | ND |
| 2018-08-15 | AE37163 | ND |
| 2018-10-10 | AE43062 | ND |
| 2018-10-10 | AE43058 | ND |
| 2018-10-10 | AE43060 | ND |
| 2018-10-10 | AE43053 | ND |
| 2019-02-27 | AE56232 | ND |
| 2019-02-27 | AE56342 | ND |
| 2019-02-27 | AE56235 | ND |
| 2019-02-27 | AE56234 | ND |
| 2019-02-27 | AE56230 | ND |
| 2019-05-21 | AE67332 | ND |
| 2019-05-21 | AE67346 | ND |
| 2019-05-21 | AE67338 | ND |
| 2019-05-21 | AE67342 | ND |
| 2019-08-22 | AE80160 | ND |
| 2019-08-22 | AE80161 | ND |
| 2019-08-22 | AE80159 | ND |
| 2019-08-22 | AE80164 | ND |
| 2019-12-03 | AE90990 | ND |
| 2019-12-03 | AE90989 | ND |
| 2019-12-03 | AE90988 | ND |
| 2019-12-03 | AE90999 | ND |