Arroyo Chico HUC8 13020205
A 3,562 km² sub-basin of the Rio Grande region in NM. 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.
Health score
44
Stressed
Drought index
350
Extreme
Area in D2+
87.62%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
1,176
59 springs · 147 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 350 | 87.62 | — | — |
Top water assets
- 69Papers Washriver
- 69San Isidro Washriver
- 69North Fork Arroyo Chicoriver
- 69San Isidro Washriver
- 69Torreon Washriver
- 69San Miguel Creekriver
- 69Arroyo Piedra Lumbreriver
- 69Arroyo Chicoriver
- 69Arroyo Chicoriver
- 69Arroyo Chicoriver