Dalapon
City of Comanche
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
48
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 8 | 0 | ND |
| 2015 | ND | 8 | 0 | ND |
| 2016 | 0.238 ppb | 8 | 1 | ND - 1.90 ppb |
| 2017 | ND | 8 | 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 |
|---|---|---|
| 2014-03-13 | AC46939 | ND |
| 2014-03-13 | AC46923 | ND |
| 2014-06-26 | AC58313 | ND |
| 2014-06-26 | AC58311 | ND |
| 2014-09-24 | AC68168 | ND |
| 2014-09-24 | AC68167 | ND |
| 2014-12-03 | AC73545 | ND |
| 2014-12-03 | AC73550 | ND |
| 2015-02-04 | AC79228 | ND |
| 2015-02-04 | AC79230 | ND |
| 2015-04-08 | AC87653 | ND |
| 2015-04-08 | AC87652 | ND |
| 2015-08-05 | AD02615 | ND |
| 2015-08-05 | AD02613 | ND |
| 2015-10-06 | AD09598 | ND |
| 2015-10-06 | AD09569 | ND |
| 2016-01-13 | AD17868 | ND |
| 2016-01-13 | AD17870 | ND |
| 2016-04-14 | AD33172 | ND |
| 2016-04-14 | AD33176 | ND |
| 2016-07-11 | AD43509 | 1.90 ppb |
| 2016-07-11 | AD43507 | ND |
| 2016-10-11 | AD52958 | ND |
| 2016-10-11 | AD52957 | ND |
| 2017-03-15 | AD75410 | ND |
| 2017-03-15 | AD75408 | ND |
| 2017-05-16 | AD84648 | ND |
| 2017-05-16 | AD84647 | ND |
| 2017-07-10 | AD88815 | ND |
| 2017-07-10 | AD88816 | ND |
| 2017-11-15 | AE05177 | ND |
| 2017-11-15 | AE05175 | ND |
| 2018-02-27 | AE15988 | ND |
| 2018-02-27 | AE15990 | ND |
| 2018-06-04 | AE28449 | ND |
| 2018-06-04 | AE28448 | ND |
| 2018-09-12 | AE39978 | ND |
| 2018-09-12 | AE39980 | ND |
| 2018-11-07 | AE45566 | ND |
| 2018-11-07 | AE45565 | ND |
| 2019-02-28 | AE56544 | ND |
| 2019-02-28 | AE56547 | ND |
| 2019-05-29 | AE68357 | ND |
| 2019-05-29 | AE68358 | ND |
| 2019-08-07 | AE77394 | ND |
| 2019-08-07 | AE77393 | ND |
| 2019-11-06 | AE88629 | ND |
| 2019-11-06 | AE88630 | ND |