DCPA di-acid degradate
Consolidated Irrigation District 14
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 | N/A | 0 | 0 | N/A |
| 2019 | 0.640 ppb | 1 | 1 | 0.640 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 0.980 ppb | 1 | 1 | 0.980 ppb |
| 2022 | 0.427 ppb | 3 | 2 | ND - 0.900 ppb |
| 2023 | 0.409 ppb | 4 | 3 | ND - 0.996 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-09-30 | 0.640 ppb | |
| 2021-12-01 | 4231836 | 0.980 ppb |
| 2022-06-14 | 4356975 | 0.900 ppb |
| 2022-08-09 | 4335954 | 0.380 ppb |
| 2022-10-17 | 4365131 | ND |
| 2023-01-23 | 4404086 | ND |
| 2023-05-22 | 4461660 | 0.337 ppb |
| 2023-08-29 | 4507810 | 0.303 ppb |
| 2023-10-23 | 4538608 | 0.996 ppb |