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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
68
Moderate
Drought index
57
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 |
|---|---|---|---|---|
| 2026-10-21 | 57 | 0 | — | — |
| 2026-10-20 | 57 | 0 | — | — |
| 2026-10-19 | 57 | 0 | — | — |
| 2026-10-18 | 57 | 0 | — | — |
| 2026-10-17 | 57 | 0 | — | — |
| 2026-10-16 | 57 | 0 | — | — |
| 2026-10-15 | 57 | 0 | — | — |
| 2026-10-14 | 57 | 0 | — | — |
| 2026-10-13 | 57 | 0 | — | — |
| 2026-10-12 | 57 | 0 | — | — |
| 2026-10-11 | 57 | 0 | — | — |
| 2026-10-10 | 57 | 0 | — | — |
| 2026-10-09 | 57 | 0 | — | — |
| 2026-10-08 | 57 | 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