Waterlands
Columbia Slough
USGS · 14211820
COLUMBIA SLOUGH
USGS · 14211820LIVE

COLUMBIA SLOUGH AT PORTLAND, OR

PORTLAND, OR45.6390°N, -122.7632°W Updated 12 hr ago
FLOW RATE
59cfs
GAUGE HT
3.67ft
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
59cfs 83.0% vs avg
Optimal band: 252–340 cfs
PERIOD HIGH
342cfs
PERIOD LOW
59cfs
RUNNABLE
50%
last 7 day in band

Gauge Height

3.67ft
Precipitation History
Your History · COLUMBIA SLOUGH AT PORTLAND, OR

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Station Location

45.6390, -122.7632
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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #14211820·USGS

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