DCPA mono- and di-acid degradates
California Water Service Company - Dominguez
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.
11
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-05-06 | 9590-004-1515 | ND |
| 2015-08-12 | 9590-004-1140 | ND |
| 2016-03-23 | 9590-018-1340 | ND |
| 2016-12-28 | 9590-019-0930 | ND |
| 2017-03-08 | 9590-019-1430 | ND |
| 2017-10-16 | 9590-805-1030 | ND |
| 2018-05-02 | 9590-004-1419 | ND |
| 2018-05-02 | 9590-018-1341 | ND |
| 2018-08-01 | 9590-004-1335 | ND |
| 2018-08-01 | 9590-018-1030 | ND |
| 2019-02-21 | 9590-065-1345 | ND |