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

COLUMBIA SLOUGH AT PORTLAND, OR

PORTLAND, OR45.6390°N, -122.7632°W Updated 1 hr ago
FLOW RATE
-151cfs
GAUGE HT
1.86ft
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
-151cfs 103.3% vs avg
Optimal band: 202–274 cfs
PERIOD HIGH
627cfs
PERIOD LOW
1cfs
RUNNABLE
23%
last 1 year in band

Gauge Height

1.86ft
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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 2026-10-17 00:00 UTC
Site #14211820·USGS

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