DCPA mono- and di-acid degradates
Arlington County
NOTE: Arlington County purchases water from Washington Aqueduct Division. which is required to test for dcpa mono- and di-acid degradates. Sample information shown below was taken by Washington Aqueduct Division..
DCPA degradates are residues of the herbicide dacthal, or DCPA, which is used for urban, household and agricultural applications. Dacthal is a possible human carcinogen whose use was limited by the EPA in 2005 due to concerns about water contamination.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
NOTE: Arlington County purchases water from Washington Aqueduct Division. which is required to test for dcpa mono- and di-acid degradates. Sample information shown below was taken by Washington Aqueduct Division..
| Date | Lab ID | Result |
|---|