DCPA di-acid degradate
Golden Valley Water Association
DCPA di-acid degradate is a residue 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.
8
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 | 39.7 ppb | 4 | 4 | 11.0 ppb - 58.4 ppb |
| 2015 | 30.0 ppb | 1 | 1 | 30.0 ppb |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | 37.8 ppb | 1 | 1 | 37.8 ppb |
| 2018 | 50.7 ppb | 1 | 1 | 50.7 ppb |
| 2019 | 53.2 ppb | 1 | 1 | 53.2 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-12 | 82959 | 33.8 ppb |
| 2014-06-18 | 83181 | 11.0 ppb |
| 2014-09-29 | 83688 | 58.4 ppb |
| 2014-10-29 | 83780 | 55.4 ppb |
| 2015-01-14 | 83941 | 30.0 ppb |
| 2017-09-26 | 37.8 ppb | |
| 2018-10-17 | 50.7 ppb | |
| 2019-09-24 | 53.2 ppb |