Dalapon
Walnut Springs
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
14
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 | 2 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 3 | 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 |
|---|---|---|
| 2014-07-23 | AC60728 | ND |
| 2014-07-23 | AC60748 | ND |
| 2015-09-28 | AD08836 | ND |
| 2015-09-28 | AD08834 | ND |
| 2015-09-28 | AD08713 | ND |
| 2016-06-15 | AD40817 | ND |
| 2016-06-15 | AD40731 | ND |
| 2017-08-02 | AD91779 | ND |
| 2017-09-08 | AD95591 | ND |
| 2018-04-02 | AE20899 | ND |
| 2018-04-02 | AE20901 | ND |
| 2018-06-27 | AE31681 | ND |
| 2019-09-11 | AE82997 | ND |
| 2019-11-07 | AE88961 | ND |