Santa Rosa Wash HUC8 15050306
A 3,131 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
47
Stressed
Drought index
296
Severe
Area in D2+
96.36%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
635
0 springs · 262 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 296 | 96.36 | — | — |
Top water assets
- 67Ko Vaya Washriver
- 67Kohatk Washriver
- 67Ko Vaya Washriver
- 67Ko Vaya Washriver
- 67Kaka Washriver
- 67Ko Vaya Washriver
- 67Ko Vaya Washriver
- 67Ko Vaya Washriver
- 67Kohatk Washriver
- 67Kohatk Washriver