DCPA mono- and di-acid degradates
City of Gilroy
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.
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 |
|---|---|---|---|---|
| 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 | 9 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-08-13 | 1644-001-0800 | ND |
| 2018-08-13 | 1644-002-0815 | ND |
| 2018-08-13 | 1644-004-0830 | ND |
| 2018-08-13 | 1644-006-1030 | ND |
| 2018-08-13 | 1644-007-0940 | ND |
| 2018-08-13 | 1644-008-0955 | ND |
| 2018-08-13 | 1644-009-1010 | ND |
| 2018-08-13 | 1644-010-0925 | ND |
| 2018-08-13 | 1644-011-0740 | ND |