Polacca Wash HUC8 15020013
A 2,973 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
51
Moderate
Drought index
285
Severe
Area in D2+
88.04%
0% exceptional (D4)
Gauges below normal
—
no gauges reporting
Median flow
—
of normal for the date
Water assets
374
25 springs · 121 wells
USGS gauges (0)
No active discharge gauges in this sub-basin.
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 285 | 88.04 | — | — |
Top water assets
- 69Polacca Washriver
- 69Polacca Washriver
- 69Polacca Washriver
- 69Polacca Washriver
- 69Polacca Washriver
- 69Wepo Washriver
- 69Polacca Washriver
- 69Polacca Washriver
- 69Polacca Washriver
- 69Polacca Washriver