POTOMAC RIVER AT POINT OF ROCKS, MD

MARYLAND39.2736°N, -77.5431°W Updated 9 hr ago

FLOW RATE

2,028cfs

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

2,028cfs 44.7% vs avg

Optimal band: 2,190–2,962 cfs

PERIOD HIGH

36,577cfs

PERIOD LOW

1,118cfs

RUNNABLE

16%

last 1 year in band

Precipitation History

Your History · POTOMAC RIVER AT POINT OF ROCKS, MD

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39.2736, -77.5431

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

Site #01638500·USGS

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