DCPA di-acid degradate
Cross Valley Water District
NOTE: Cross Valley Water District purchases water from City of Everett Public Works Department which is required to test for dcpa di-acid degradate. Sample information shown below was taken by City of Everett Public Works Department.
DCPA di-acid degradate is a residue 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 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 5 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Cross Valley Water District purchases water from City of Everett Public Works Department which is required to test for dcpa di-acid degradate. Sample information shown below was taken by City of Everett Public Works Department.
| Date | Lab ID | Result |
|---|---|---|
| 2018-06-12 | ND | |
| 2019-06-11 | ND | |
| 2021-06-28 | 4139325 | ND |
| 2022-06-22 | 4324152 | ND |
| 2023-09-06 | 4531529 | ND |