POTOMAC RIVER NEAR WASH, DC LITTLE FALLS PUMP STA

MARYLAND38.9498°N, -77.1276°W Updated 9 hr ago

FLOW RATE

2,018cfs

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

2,018cfs 63.2% vs avg

Optimal band: 2,257–3,053 cfs

PERIOD HIGH

6,826cfs

PERIOD LOW

2,018cfs

RUNNABLE

55%

last 30 day in band

Precipitation History

Your History · POTOMAC RIVER NEAR WASH, DC LITTLE FALLS PUMP STA

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38.9498, -77.1276

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DATA · USGS · NOAA · NWSUPDATED 2026-07-05 00:00 UTC

Site #01646500·USGS

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