A 3,676 km² sub-basin of the Upper Colorado region in AZ, UT. Drought coverage is from the US Drought Monitor (map of 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 226 | 26.26 | 1/2 | p31 |