DCPA mono- and di-acid degradates
City of Morgan Hill
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.
7
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-12-11 | 1644-001-0730 | ND |
| 2019-05-07 | 1644-008-1000 | ND |
| 2019-05-07 | 1644-009-0800 | ND |
| 2019-05-07 | 1644-015-0830 | ND |
| 2019-05-07 | 1644-016-0930 | ND |
| 2019-05-07 | 1644-040-0715 | ND |
| 2019-05-07 | 1644-043-0630 | ND |