USGS Current Conditions for USGS 14211820 COLUMBIA SLOUGH AT PORTLAND, OR x

USGS 14211820 COLUMBIA SLOUGH AT PORTLAND, OR

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Station operated in cooperation with the City of Portland.

Available Parameters	Available Period
All 3 Available Parameters for this site
00060 Discharge	1989-06-30	2025-09-18
00065 Gage height	2007-10-01	2025-10-30
72255 Mean water velocity	2025-07-02	2025-09-18

Days (7)

-- or --
Begin date

End date

Summary of all available data for this site
Instantaneous-data availability statement

Most recent instantaneous value: Eqp 09-18-2025 12:45 PDT

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**Daily discharge, cubic feet per second -- statistics for Oct 31 based on 29 water years of record more**
Most Recent Instantaneous Value Oct 31	Min (2010)	25th percen- tile	Median	Mean	75th percen- tile	Max (2015)
-- unavailable --	27.5	76	96	122	152	319

Most recent instantaneous value: 1.90 10-30-2025 21:20 PDT

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Mean water velocity for discharge computation, feet per second

-- Data temporarily unavailable for the time period specified --

U.S. Department of the Interior | U.S. Geological Survey
Title: USGS Current Conditions for the Nation
URL: https://waterdata.usgs.gov/nwis/uv?

Page Contact Information: Oregon Water Data Support Team
Page Last Modified: 2025-10-31 01:24:03 EDT
2.74 2.15 vaww01