San Bernardino Valley HUC8 15080302
A 3,581 km² sub-basin of the Lower Colorado region in AZ, MX, 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
74
Moderate
Drought index
11
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
286
4 springs · 126 wells
USGS gauges (1)
- BLACK DRAW AT SAN BERNARDINO NWR NEAR DOUGLAS, AZ095377000 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 11 | 0 | — | — |
Top water assets
- 67Silver Creekriver
- 67Indian Creekriver
- 67Silver Creekriver
- 67Indian Creekriver
- 67Silver Creekriver
- 67Silver Creekriver
- 67Indian Creekriver
- 67Silver Creekriver
- 67Silver Creekriver
- 67Silver Creekriver