Available data

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2 data types available - data from 1988-10-01 to 2026-08-08

2 data types available - data from 1928-08-01 to 2026-08-06

3 data types available - data from 1964-01-28 to 2026-07-01

660 Observed properties (data types) available - with data from 1974-10-24 to 2023-10-04

265 Sampling activities

2 data types available - with data from 1929-01-03 to 2024-01-30

2 data types available - data from 1928-08-01 to 2026-08-06

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	14207500	n/a
Location name	TUALATIN RIVER AT WEST LINN, OR	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	45.3506755926263	n/a
Decimal longitude (WGS84)	-122.676204437708	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Unknown or unspecified.	U
District	Oregon	41
State	Oregon	41
County	Clackamas County	005
Country	United States of America	n/a
Altitude of gage/land surface	85.61 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	0.1 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Tualatin	17090010
Drainage basin		n/a
Date of first construction		n/a
Drainage area	706 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