A 6,496 km² sub-basin of the Lower Colorado region in AZ. Drought coverage is from the US Drought Monitor (map of 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 100 | 0 | 3/10 | p75 |
| 2026-10-20 | 100 | 0 | 2/10 | p76 |
| 2026-10-19 | 100 | 0 | 2/10 | p78 |
| 2026-10-18 | 100 | 0 | 2/10 | p80 |
| 2026-10-17 | 100 | 0 | 2/10 | p85 |
| 2026-10-16 | 100 | 0 | 2/10 | p86 |
| 2026-10-15 | 100 | 0 | 2/10 | p95 |
| 2026-10-14 | 100 | 0 | 3/10 | p99 |
| 2026-10-13 | 100 | 0 | 2/10 | p99 |
| 2026-10-12 | 100 | 0 | 5/10 | p52 |
| 2026-10-11 | 100 | 0 | 5/10 | p36 |
| 2026-10-10 | 100 | 0 | 6/10 | p15 |
| 2026-10-09 | 100 | 0 | 5/10 | p36 |
| 2026-10-08 | 100 | 0 | 7/10 | p19 |