DCPA mono- and di-acid degradates
Los Angeles Department of Water and Power
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.
8
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 4 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 4 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-08 | 1200-011-0930 | ND |
| 2014-05-08 | 1200-133-0815 | ND |
| 2014-08-07 | 1200-011-1120 | ND |
| 2014-08-20 | 1200-133-0900 | ND |
| 2017-02-27 | 1200-011-1030 | ND |
| 2017-03-09 | 1200-133-1205 | ND |
| 2017-05-09 | 1200-011-0940 | ND |
| 2017-05-17 | 1200-133-0941 | ND |