Upper Pecos-Long Arroyo HUC8 13060007
A 8,291 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
50
Moderate
Drought index
270
Severe
Area in D2+
69.49%
0% exceptional (D4)
Gauges below normal
67%
of 3 reporting
Median flow
26%
p25 of record
Water assets
2,846
83 springs · 2,067 wells
USGS gauges (3)
- PECOS RIVER NEAR ACME, NM083860009 cfsp23 · below normal
- PECOS RIVER NEAR LAKE ARTHUR, NM0839550022 cfsp25 · below normal
- PECOS RIVER NEAR ARTESIA, NM0839650020 cfsp25 · normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 270 | 69.49 | 2/3 | p25 |
Top water assets
- 69Eagle Creekriver
- 67Pecos Riverriver
- 67Pecos Riverriver
- 67Pecos Riverriver
- 67Walnut Creekriver
- 67Pecos Riverriver
- 67Pecos Riverriver
- 67Pecos Riverriver
- 67Pecos Riverriver
- 67Pecos Riverriver