DCPA mono- and di-acid degradates
Pomona Water Department
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.
14
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 | ND | 2 | 0 | ND |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2017-07-19 | 9590-032-1405 | ND |
| 2017-07-24 | 9590-027-1415 | ND |
| 2018-06-14 | 9590-028-1317 | ND |
| 2018-07-23 | 9590-040-1225 | ND |
| 2018-07-24 | 9590-069-1124 | ND |
| 2018-07-25 | 9590-025-0820 | ND |
| 2018-08-14 | 9590-028-1043 | ND |
| 2018-10-24 | 9590-031-1035 | ND |
| 2019-04-17 | 9590-035-1010 | ND |
| 2019-04-17 | 9590-036-1005 | ND |
| 2019-04-17 | 9590-051-1110 | ND |
| 2019-07-10 | 9590-035-1437 | ND |
| 2019-07-10 | 9590-036-1356 | ND |
| 2019-07-10 | 9590-051-1140 | ND |