POTOMAC RIVER NEAR WASH, DC LITTLE FALLS PUMP STA

MARYLAND38.9498°N, -77.1276°W Updated 1 hr ago

FLOW RATE

2,260cfs

GAUGE HT

2.88ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

2,260cfs 21.3% vs avg

Optimal band: 2,338–3,162 cfs

PERIOD HIGH

3,630cfs

PERIOD LOW

2,260cfs

RUNNABLE

85%

last 1 day in band

Gauge Height

2.88ft

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38.9498, -77.1276

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DATA · USGS · NOAA · NWSUPDATED 2026-09-01 14:50 UTC

Site #01646500·USGS

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