Dalapon
Harris County Municipal Utility District 70
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
50
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 | 9 | 0 | ND |
| 2015 | ND | 8 | 0 | ND |
| 2016 | ND | 8 | 0 | ND |
| 2017 | ND | 9 | 0 | ND |
| 2018 | ND | 8 | 0 | ND |
| 2019 | ND | 8 | 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 |
|---|---|---|
| 2014-02-25 | AC44439 | ND |
| 2014-02-25 | AC44440 | ND |
| 2014-05-16 | AC54539 | ND |
| 2014-05-16 | AC54535 | ND |
| 2014-08-18 | AC64051 | ND |
| 2014-08-18 | AC64118 | ND |
| 2014-09-24 | AC68170 | ND |
| 2014-12-03 | AC73516 | ND |
| 2014-12-03 | AC73565 | ND |
| 2015-02-03 | AC79011 | ND |
| 2015-02-03 | AC79003 | ND |
| 2015-06-17 | AC96280 | ND |
| 2015-06-17 | AC96277 | ND |
| 2015-08-18 | AD04516 | ND |
| 2015-08-18 | AD04519 | ND |
| 2015-12-01 | AD14905 | ND |
| 2015-12-01 | AD14907 | ND |
| 2016-03-22 | AD29855 | ND |
| 2016-03-22 | AD29856 | ND |
| 2016-05-10 | AD36045 | ND |
| 2016-05-10 | AD36048 | ND |
| 2016-09-28 | AD51938 | ND |
| 2016-09-28 | AD51949 | ND |
| 2016-12-14 | AD62161 | ND |
| 2016-12-14 | AD62160 | ND |
| 2017-02-07 | AD69159 | ND |
| 2017-02-07 | AD69186 | ND |
| 2017-02-07 | AD69347 | ND |
| 2017-05-10 | AD83636 | ND |
| 2017-05-10 | AD83640 | ND |
| 2017-08-03 | AD91982 | ND |
| 2017-08-03 | AD92009 | ND |
| 2017-11-20 | AE05363 | ND |
| 2017-11-20 | AE05359 | ND |
| 2018-02-01 | AE11852 | ND |
| 2018-02-01 | AE11846 | ND |
| 2018-05-09 | AE25904 | ND |
| 2018-05-09 | AE25919 | ND |
| 2018-08-27 | AE38506 | ND |
| 2018-08-27 | AE38507 | ND |
| 2018-11-28 | AE47157 | ND |
| 2018-11-28 | AE47156 | ND |
| 2019-01-28 | AE51616 | ND |
| 2019-01-28 | AE51615 | ND |
| 2019-04-23 | AE63357 | ND |
| 2019-04-23 | AE63356 | ND |
| 2019-07-30 | AE76380 | ND |
| 2019-07-30 | AE76383 | ND |
| 2019-10-16 | AE86738 | ND |
| 2019-10-16 | AE86739 | ND |