A 2,078 km² sub-basin of the Arkansas-White-Red region in OK, TX. 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 | 431 | 100 | 1/1 | p10 |