Dalapon
Harris County Municipal Utility District 130
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 |
|---|---|---|
| 2014-03-12 | AC46721 | ND |
| 2014-03-12 | AC46757 | ND |
| 2014-03-12 | AC46810 | ND |
| 2014-05-09 | AC53894 | ND |
| 2014-05-09 | AC53906 | ND |
| 2014-08-06 | AC62410 | ND |
| 2014-08-06 | AC62386 | ND |
| 2014-10-21 | AC70163 | ND |
| 2014-10-21 | AC70165 | ND |
| 2015-02-23 | AC81405 | ND |
| 2015-02-23 | AC81403 | ND |
| 2015-05-11 | AC91302 | ND |
| 2015-05-11 | AC91307 | ND |
| 2015-09-23 | AD08189 | ND |
| 2015-09-23 | AD08192 | ND |
| 2015-12-07 | AD15676 | ND |
| 2015-12-07 | AD15701 | ND |
| 2016-02-08 | AD22434 | ND |
| 2016-02-08 | AD22433 | ND |
| 2016-06-07 | AD39568 | ND |
| 2016-06-07 | AD39550 | ND |
| 2016-09-27 | AD51462 | ND |
| 2016-09-27 | AD51461 | ND |
| 2016-11-21 | AD58768 | ND |
| 2016-11-21 | AD58767 | ND |
| 2017-02-07 | AD69188 | ND |
| 2017-02-07 | AD69187 | ND |
| 2017-02-07 | AD69346 | ND |
| 2017-05-10 | AD83639 | ND |
| 2017-05-10 | AD83637 | ND |
| 2017-08-03 | AD92007 | ND |
| 2017-08-03 | AD92008 | ND |
| 2017-11-20 | AE05364 | ND |
| 2017-11-20 | AE05362 | ND |
| 2018-02-01 | AE11854 | ND |
| 2018-02-01 | AE11848 | ND |
| 2018-05-09 | AE25914 | ND |
| 2018-05-09 | AE25917 | ND |
| 2018-08-07 | AE35950 | ND |
| 2018-08-07 | AE35958 | ND |
| 2018-11-28 | AE47155 | ND |
| 2018-11-28 | AE47154 | ND |
| 2019-02-12 | AE54039 | ND |
| 2019-02-12 | AE54042 | ND |
| 2019-04-30 | AE64069 | ND |
| 2019-04-30 | AE64073 | ND |
| 2019-08-28 | AE81372 | ND |
| 2019-08-28 | AE81370 | ND |
| 2019-10-16 | AE86740 | ND |
| 2019-10-16 | AE86737 | ND |