Centennial Wash HUC8 15070104
A 5,003 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
44
Stressed
Drought index
247
Severe
Area in D2+
46.78%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
—
p10 of record
Water assets
1,648
6 springs · 1,265 wells
USGS gauges (1)
- CENTENNIAL WASH AT SOUTHERN PACIFIC RAILROAD BRDG095174900 cfsp10 · below normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 247 | 46.78 | 1/1 | p10 |
Top water assets
- 67Centennial Washriver
- 67Centennial Washriver
- 67Centennial Washriver
- 65Centennial Washriver
- 65Centennial Washriver
- 65Centennial Washriver
- 65Centennial Washriver
- 65Centennial Washriver
- 65Centennial Washriver
- 65Centennial Washriver