Available data

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3 data types available - data from 1989-06-30 to 2026-08-08

2 data types available - data from 1988-10-14 to 2026-08-06

4 data types available - data from 1988-08-04 to 2026-06-29

0 observed properties (data types) available

2 data types available - with data from 1990-01-28 to 2025-06-25

2 data types available - data from 1988-10-14 to 2026-08-06

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	14211820	n/a
Location name	COLUMBIA SLOUGH AT PORTLAND, OR	n/a
Site type	Tidal stream	ST-TS
Decimal latitude (WGS84)	45.6390051465636	n/a
Decimal longitude (WGS84)	-122.763154963205	n/a
Latitude-longitude method	Interpolated from MAP.	M
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	1.53 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	Lower Willamette	17090012
Drainage basin		n/a
Date of first construction		n/a
Drainage area		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