DCPA mono- and di-acid degradates
City of Rohnert Park
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.
24
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 | 10 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 8 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-09-22 | 9590-002-1110 | ND |
| 2015-09-22 | 9590-004-1110 | ND |
| 2015-09-22 | 9590-040-1053 | ND |
| 2015-09-22 | 9590-005-1053 | ND |
| 2015-09-22 | 9590-039-1053 | ND |
| 2015-09-22 | 9590-012-1110 | ND |
| 2015-09-22 | 9590-029-1053 | ND |
| 2015-09-22 | 9590-001-1110 | ND |
| 2015-12-29 | 9590-031-1037 | ND |
| 2015-12-29 | 9590-030-0903 | ND |
| 2016-09-06 | 9590-027-0850 | ND |
| 2016-09-06 | 9590-022-0950 | ND |
| 2016-09-06 | 9590-021-0910 | ND |
| 2016-09-06 | 9590-018-0907 | ND |
| 2016-09-13 | 9590-033-0941 | ND |
| 2018-08-07 | 1644-029-1045 | ND |
| 2018-08-07 | 1644-005-1045 | ND |
| 2018-08-07 | 1644-039-1045 | ND |
| 2018-08-07 | 1644-040-1045 | ND |
| 2018-09-25 | 1644-030-0950 | ND |
| 2018-09-25 | 1644-031-0935 | ND |
| 2018-09-25 | 1644-004-0852 | ND |
| 2018-11-06 | 1644-006-0900 | ND |
| 2019-03-05 | 1644-013-1030 | ND |