Dalapon
City of Eden
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
8
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 | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | 0.533 ppb | 3 | 1 | ND - 1.60 ppb |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-06-02 | 92203542001SOC | ND |
| 2014-08-04 | 92211733001SOC | ND |
| 2017-06-05 | 92342873001SOC | 1.60 ppb |
| 2017-08-01 | 92349563001SOC | ND |
| 2017-10-02 | 92357395001SOC | ND |
| 2018-01-02 | 92368717001SOC | ND |
| 2018-04-02 | 92379190001SOC | ND |
| 2019-04-02 | 92423634001_1271 | ND |