Available data

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3 data types available - data from 2005-10-01 to 2026-08-18

3 data types available - data from 1939-06-01 to 2026-08-17

0 data types available

422 Observed properties (data types) available - with data from 1906-06-16 to 2026-06-10

975 Sampling activities

2 data types available - with data from 1939-08-19 to 2007-06-27

3 data types available - data from 1939-06-01 to 2026-08-17

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	07097000	n/a
Location name	ARKANSAS RIVER AT PORTLAND, CO.	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	38.3883341793617	n/a
Decimal longitude (WGS84)	-105.016096124015	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 5 sec.	F
District	Colorado	08
State	Colorado	08
County	Fremont County	043
Country	United States of America	n/a
Altitude of gage/land surface	5021.59 feet	n/a
Method altitude determined	Unknown.	U
Altitude accuracy	15 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Upper Arkansas	11020002
Drainage basin		n/a
Date of first construction		n/a
Drainage area	4024 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	MST	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