Dalapon
City of Shenandoah
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
12
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 | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-01-16 | AC39337 | ND |
| 2014-01-16 | AC39348 | ND |
| 2014-01-16 | AC39345 | ND |
| 2014-06-25 | AC58012 | ND |
| 2015-05-04 | AC90309 | ND |
| 2016-06-21 | AD41357 | ND |
| 2017-03-13 | AD74721 | ND |
| 2017-03-13 | AD74726 | ND |
| 2017-07-19 | AD89946 | ND |
| 2018-05-08 | AE25573 | ND |
| 2019-06-20 | AE71488 | ND |
| 2019-10-24 | AE87599 | ND |