Dalapon
City of Giddings
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
16
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 | 4 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-02-11 | AC42071 | ND |
| 2014-02-11 | AC42070 | ND |
| 2014-05-05 | AC53020 | ND |
| 2014-05-05 | AC53018 | ND |
| 2015-09-01 | AD05140 | ND |
| 2015-09-01 | AD05138 | ND |
| 2016-07-26 | AD45664 | ND |
| 2016-07-26 | AD45659 | ND |
| 2017-09-05 | AD94798 | ND |
| 2017-09-05 | AD94804 | ND |
| 2017-09-05 | AD94715 | ND |
| 2017-09-05 | AD94714 | ND |
| 2018-06-14 | AE29997 | ND |
| 2018-06-14 | AE29995 | ND |
| 2019-05-01 | AE64303 | ND |
| 2019-05-01 | AE64302 | ND |