DCPA mono- and di-acid degradates
Golden State Water Company - Cordova
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.
10
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 | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 0.0557 ppb | 7 | 1 | ND - 0.390 ppb |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-18 | 2706-051-1203 | ND |
| 2014-06-03 | 2706-051-1224 | ND |
| 2016-09-20 | 2706-029-1245 | ND |
| 2018-08-21 | 9590-008-1314 | ND |
| 2018-08-21 | 9590-019-0925 | ND |
| 2018-08-21 | 9590-022-1135 | ND |
| 2018-08-21 | 9590-051-1357 | ND |
| 2018-08-22 | 9590-010-1228 | 0.390 ppb |
| 2018-08-22 | 9590-028-0959 | ND |
| 2018-08-22 | 9590-030-0902 | ND |