Alamosa-Trinchera HUC8 13010002
A 6,576 km² sub-basin of the Rio Grande region in CO, NM. 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.
Health score
50
Moderate
Drought index
298
Severe
Area in D2+
97.52%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
2,900
9 springs · 658 wells
USGS gauges (1)
- RIO GRANDE NEAR LOBATOS, CO0825150069 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 298 | 97.52 | — | — |
| 2026-10-20 | 298 | 97.52 | — | — |
| 2026-10-19 | 298 | 97.52 | — | — |
| 2026-10-18 | 298 | 97.52 | — | — |
| 2026-10-17 | 298 | 97.52 | — | — |
| 2026-10-16 | 298 | 97.52 | — | — |
| 2026-10-15 | 397 | 99.84 | — | — |
| 2026-10-14 | 397 | 99.84 | — | — |
| 2026-10-13 | 397 | 99.84 | — | — |
| 2026-10-12 | 397 | 99.84 | — | — |
| 2026-10-11 | 397 | 99.84 | — | — |
| 2026-10-10 | 397 | 99.84 | — | — |
| 2026-10-09 | 397 | 99.84 | — | — |
| 2026-10-08 | 413 | 99.84 | — | — |
Top water assets
- 69Hot Creekriver
- 69Ventero Creekriver
- 69Rio Granderiver
- 69San Francisco Creekriver
- 69Alamosa Riverriver
- 69Rio Granderiver
- 69Sangre de Cristo Creekriver
- 69Monte Vista Canalriver
- 69Rio Granderiver
- 69Alamosa Riverriver