DCPA mono- and di-acid degradates
Del Dios Mutual Water Company
NOTE: Del Dios Mutual Water Company purchases water from Rincon Del Diablo MWD(ID-1) which is required to test for dcpa mono- and di-acid degradates. Sample information shown below was taken by Rincon Del Diablo MWD(ID-1).
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 |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 3 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
NOTE: Del Dios Mutual Water Company purchases water from Rincon Del Diablo MWD(ID-1) which is required to test for dcpa mono- and di-acid degradates. Sample information shown below was taken by Rincon Del Diablo MWD(ID-1).
| Date | Lab ID | Result |
|---|