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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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.

Health score
52
Moderate
Drought index
270
Severe
Area in D2+
80.7%
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

DateDSCID2+ %Gauges lowFlow pct
2026-10-2127080.7——
2026-10-2027080.7——
2026-10-1927080.7——
2026-10-1827080.7——
2026-10-1727080.7——
2026-10-1627080.7——
2026-10-1527080.7——
2026-10-1427080.7——
2026-10-1327080.7——
2026-10-1227080.7——
2026-10-1127080.7——
2026-10-1027080.7——
2026-10-0927080.7——
2026-10-0827080.7——

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