Dalapon
Washington County Railroad
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
10
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 | 1 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 3 | 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 |
|---|---|---|
| 2014-09-03 | AC65736 | ND |
| 2015-01-28 | AC78254 | ND |
| 2015-01-28 | AC78251 | ND |
| 2015-05-06 | AC90733 | ND |
| 2016-10-31 | AD55414 | ND |
| 2017-07-13 | AD89240 | ND |
| 2018-05-22 | AE27305 | ND |
| 2018-05-22 | AE27306 | ND |
| 2018-05-22 | AE27234 | ND |
| 2019-07-17 | AE74800 | ND |