San Simon HUC8 15040006
A 5,829 km² sub-basin of the Lower Colorado region in AZ, 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
65
Moderate
Drought index
89
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
2,215
75 springs · 1,373 wells
USGS gauges (1)
- SAN SIMON RIVER NEAR SOLOMON, ARIZ.094570000 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 89 | 0 | — | — |
Top water assets
- 69Cave Creekriver
- 69South Fork Cave Creekriver
- 69Cave Creekriver
- 69Cave Creekriver
- 69South Fork Cave Creekriver
- 69South Fork Cave Creekriver
- 69South Fork Cave Creekriver
- 69South Fork Cave Creekriver
- 69Cave Creekriver
- 69South Fork Cave Creekriver