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Sprague HUC8 18010202

A 4,171 km² sub-basin of the California region in OR. 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
41
Stressed
Drought index
200
Severe
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
100%
of 1 reporting
Median flow
69%
p9 of record
Water assets
641
54 springs · 126 wells

USGS gauges (1)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-10-2020001/1p9
2026-10-1920001/1p9
2026-10-1820001/1p9
2026-10-1720001/1p9
2026-10-1620001/1p9
2026-10-1520001/1p10
2026-10-1420001/1p10
2026-10-1320001/1p10
2026-10-1220001/1p10
2026-10-1120001/1p10
2026-10-1020001/1p12
2026-10-0920001/1p10
2026-10-0820001/1p10
2026-10-0720001/1p10

Top water assets