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	2025-12-29
72255 Mean water velocity	2025-08-31	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 Dec 30 based on 30 water years of record more**
Min (2006)	Most Recent Instantaneous Value Dec 30	25th percen- tile	Median	Mean	75th percen- tile	Max (1997)
-145	-- unavailable --	59	146	160	248	653

Most recent instantaneous value: 5.74 12-29-2025 21:20 PST

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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: 2025-12-30 01:29:46 EST
1.59 1.12 caww01