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

COLUMBIA SLOUGH AT PORTLAND, OR

PORTLAND, OR45.6390°N, -122.7632°W Updated 11 hr ago
FLOW RATE
98cfs
GAUGE HT
3.39ft
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
98cfs 91.4% vs avg
Optimal band: 241–327 cfs
PERIOD HIGH
493cfs
PERIOD LOW
98cfs
RUNNABLE
35%
last 30 day in band

Gauge Height

3.39ft
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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