A 14,294 km² sub-basin of the Rio Grande region in MX, NM, 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.
No active discharge gauges in this sub-basin.
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 142 | 32.09 | — | — |