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Lower Susquehanna-Swatara HUC8 02050305

A 4,860 km² sub-basin of the Mid-Atlantic region in PA. 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 14 reporting
Median flow
173%
p68 of record
Water assets
5,386
127 springs · 5,149 wells

USGS gauges (17)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-10-18000/14p68
2026-10-17000/14p81
2026-10-16000/14p75
2026-10-15000/14p81
2026-10-14000/14p84
2026-10-13000/14p91
2026-10-12000/14p96
2026-10-11003/14p35
2026-10-10002/14p37
2026-10-09003/14p36
2026-10-08003/14p40
2026-10-07002/14p47
2026-10-06001/14p54
2026-10-05001/14p52

Top water assets