DCPA mono- and di-acid degradates
California American Water Company - Antelope
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.
17
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 | 0.0141 ppb | 17 | 1 | ND - 0.240 ppb |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-08-07 | 9590-018-1210 | ND |
| 2018-08-07 | 9590-009-0900 | ND |
| 2018-08-07 | 9590-010-1310 | ND |
| 2018-08-07 | 9590-011-1120 | ND |
| 2018-08-07 | 9590-012-1030 | ND |
| 2018-08-08 | 9590-002-0920 | ND |
| 2018-08-08 | 9590-017-1010 | ND |
| 2018-08-08 | 9590-016-1340 | ND |
| 2018-08-09 | 9590-007-1130 | ND |
| 2018-08-09 | 9590-008-1020 | ND |
| 2018-08-14 | 9590-040-1040 | ND |
| 2018-08-14 | 9590-013-1220 | ND |
| 2018-08-14 | 9590-006-1000 | 0.240 ppb |
| 2018-08-14 | 9590-004-0830 | ND |
| 2018-08-14 | 9590-003-1130 | ND |
| 2018-08-15 | 9590-014-1045 | ND |
| 2018-11-07 | 9590-007-1115 | ND |