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South Branch Potomac HUC8 02070001

A 3,833 km² sub-basin of the Mid-Atlantic region in MD, VA, WV. 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
80
Healthy
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 6 reporting
Median flow
367%
p83 of record
Water assets
1,947
143 springs · 356 wells

USGS gauges (7)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-10-22000/6p83
2026-10-21000/6p86
2026-10-20000/6p90
2026-10-19000/6p93
2026-10-18000/6p94
2026-10-17000/6p95
2026-10-16000/6p96
2026-10-15500/6p95
2026-10-14500/6p97
2026-10-13500/6p98
2026-10-12500/6p99
2026-10-11500/6p42
2026-10-10501/6p36
2026-10-09501/6p39

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