Dalapon
Gonzales County Water Supply Corporation
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
60
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 | 13 | 0 | ND |
| 2015 | ND | 8 | 0 | ND |
| 2016 | ND | 9 | 0 | ND |
| 2017 | ND | 13 | 0 | ND |
| 2018 | ND | 8 | 0 | ND |
| 2019 | ND | 9 | 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 |
|---|---|---|
| 2014-02-20 | AC43846 | ND |
| 2014-02-20 | AC43836 | ND |
| 2014-02-20 | AC43911 | ND |
| 2014-02-20 | AC43913 | ND |
| 2014-02-20 | AC43915 | ND |
| 2014-02-20 | AC43912 | ND |
| 2014-02-20 | AC43919 | ND |
| 2014-06-05 | AC56143 | ND |
| 2014-06-05 | AC56142 | ND |
| 2014-09-19 | AC67692 | ND |
| 2014-09-19 | AC67710 | ND |
| 2014-12-12 | AC74885 | ND |
| 2014-12-12 | AC74888 | ND |
| 2015-02-04 | AC79211 | ND |
| 2015-02-04 | AC79206 | ND |
| 2015-06-01 | AC94003 | ND |
| 2015-06-01 | AC94004 | ND |
| 2015-07-22 | AD00611 | ND |
| 2015-07-22 | AD00614 | ND |
| 2015-10-09 | AD10219 | ND |
| 2015-10-09 | AD10204 | ND |
| 2016-01-19 | AD18559 | ND |
| 2016-01-19 | AD18562 | ND |
| 2016-01-19 | AD18713 | ND |
| 2016-05-02 | AD34822 | ND |
| 2016-05-02 | AD34819 | ND |
| 2016-09-09 | AD49069 | ND |
| 2016-09-09 | AD49080 | ND |
| 2016-10-12 | AD53116 | ND |
| 2016-10-12 | AD53117 | ND |
| 2017-03-13 | AD75417 | ND |
| 2017-03-13 | AD75418 | ND |
| 2017-03-13 | AD75541 | ND |
| 2017-03-13 | AD75543 | ND |
| 2017-03-13 | AD75540 | ND |
| 2017-03-13 | AD75542 | ND |
| 2017-04-26 | AD81155 | ND |
| 2017-04-26 | AD81153 | ND |
| 2017-04-26 | AD81272 | ND |
| 2017-07-19 | AD89936 | ND |
| 2017-07-19 | AD89938 | ND |
| 2017-10-06 | AD99771 | ND |
| 2017-10-06 | AD99770 | ND |
| 2018-02-08 | AE12981 | ND |
| 2018-02-08 | AE12980 | ND |
| 2018-05-03 | AE25055 | ND |
| 2018-05-03 | AE25012 | ND |
| 2018-08-16 | AE37317 | ND |
| 2018-08-16 | AE37318 | ND |
| 2018-12-12 | AE48632 | ND |
| 2018-12-12 | AE48633 | ND |
| 2019-03-05 | AE57116 | ND |
| 2019-03-05 | AE57117 | ND |
| 2019-03-05 | AE57201 | ND |
| 2019-04-02 | AE60853 | ND |
| 2019-04-02 | AE60858 | ND |
| 2019-07-12 | AE74353 | ND |
| 2019-07-12 | AE74352 | ND |
| 2019-10-14 | AE86439 | ND |
| 2019-10-14 | AE86437 | ND |