Available data

Select data types to graph from categories based on the way the data were collected.

28 data types available - data from 1988-10-01 to 2026-08-09

11 data types available - data from 1972-10-01 to 2026-08-08

4 data types available - data from 1987-11-20 to 2026-07-28

1170 Observed properties (data types) available - with data from 1974-10-25 to 2026-08-03

1021 Sampling activities

2 data types available - with data from 1894-06-07 to 2025-03-31

9 data types available - data from 1972-10-01 to 2026-08-08

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	14211720	n/a
Location name	WILLAMETTE RIVER AT PORTLAND, OR	n/a
Site type	Tidal stream	ST-TS
Decimal latitude (WGS84)	45.5175	n/a
Decimal longitude (WGS84)	-122.669166666667	n/a
Latitude-longitude method	Interpolated from Digital MAP.	N
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Oregon	41
State	Oregon	41
County	Multnomah County	051
Country	United States of America	n/a
Altitude of gage/land surface	1.55 feet	n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	1 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Lower Willamette	17090012
Drainage basin		n/a
Date of first construction		n/a
Drainage area	11200 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	PST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a