Dalapon
City of Pleasanton
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
11
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 | 6 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 5 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-06-17 | 5810-001-0910 | ND |
| 2014-06-17 | 5810-002-1000 | ND |
| 2014-06-17 | 5810-004-0750 | ND |
| 2014-12-09 | 5810-001-1010 | ND |
| 2014-12-09 | 5810-002-0915 | ND |
| 2014-12-09 | 5810-004-0815 | ND |
| 2017-06-22 | 5810-001-0850 | ND |
| 2017-06-22 | 5810-002-0940 | ND |
| 2017-06-22 | 5810-004-0800 | ND |
| 2017-12-07 | 5810-002-1027 | ND |
| 2017-12-07 | 5810-004-1100 | ND |