DCPA di-acid degradate
Warden City Of
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.
9
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 |
|---|---|---|---|---|
| 2018 | 0.0200 ppb | 1 | 1 | 0.0200 ppb |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 0.490 ppb | 3 | 3 | 0.127 ppb - 0.981 ppb |
| 2022 | 0.481 ppb | 4 | 4 | 0.0976 ppb - 1.39 ppb |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-22 | 0.0200 ppb | |
| 2021-03-29 | 4100661 | 0.981 ppb |
| 2021-06-02 | 4160676 | 0.363 ppb |
| 2021-09-28 | 4186836 | 0.127 ppb |
| 2022-03-29 | 4263813 | 1.39 ppb |
| 2022-06-20 | 4308500 | 0.326 ppb |
| 2022-09-13 | 4360522 | 0.110 ppb |
| 2022-10-11 | 4369967 | 0.0976 ppb |
| 2023-10-24 | 4539356 | ND |