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

COLUMBIA SLOUGH AT PORTLAND, OR

PORTLAND, OR45.6390°N, -122.7632°W Updated 32 min ago
FLOW RATE
-445cfs
GAUGE HT
2.31ft
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
-445cfs 141.4% vs avg
Optimal band: 282–382 cfs
PERIOD HIGH
665cfs
PERIOD LOW
24.6cfs
RUNNABLE
25%
last 1 day in band

Gauge Height

2.31ft
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Station Location

45.6390, -122.7632
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DATA · USGS · NOAA · NWSUPDATED 2026-10-17 01:20 UTC
Site #14211820·USGS

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