POTOMAC RIVER NEAR WASH, DC LITTLE FALLS PUMP STA

MARYLAND38.9498°N, -77.1276°W Updated 17 hr ago

FLOW RATE

2,434cfs

GAUGE HT

2.92ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

2,434cfs 42.2% vs avg

Optimal band: 2,436–3,296 cfs

PERIOD HIGH

4,330cfs

PERIOD LOW

1,863cfs

RUNNABLE

55%

last 30 day in band

Gauge Height

2.92ft

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38.9498, -77.1276

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DATA · USGS · NOAA · NWSUPDATED 2026-09-01 00:00 UTC

Site #01646500·USGS

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