NORTHWEST BRANCH ANACOSTIA RIVER NR COLESVILLE, MD

MARYLAND39.0655°N, -77.0294°W Updated 1 hr ago

FLOW RATE

4cfs

GAUGE HT

1.47ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

4cfs 54.3% vs avg

Optimal band: 5–7 cfs

PERIOD HIGH

106cfs

PERIOD LOW

2cfs

RUNNABLE

25%

last 7 day in band

Gauge Height

1.47ft

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39.0655, -77.0294

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DATA · USGS · NOAA · NWSUPDATED 2026-10-17 00:00 UTC

Site #01650500·USGS

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