Lower Puerco HUC8 15020007
A 2,890 km² sub-basin of the Lower Colorado region in AZ. 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
52
Moderate
Drought index
243
Severe
Area in D2+
43.24%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
469
8 springs · 201 wells
USGS gauges (1)
- PUERCO RIVER NEAR CHAMBERS, AZ09396100545 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 243 | 43.24 | — | — |
Top water assets
- 69Puerco Riverriver
- 69Puerco Riverriver
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- 69Puerco Riverriver
- 69Puerco Riverriver
- 69Puerco River Near Chambers, Azriver
- 69Puerco Riverriver