Available data

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3 data types available - data from 1989-03-21 to 2026-09-06

2 data types available - data from 1944-10-01 to 2026-09-04

2 data types available - data from 1960-10-06 to 2026-07-30

1 Observed properties (data types) available - with data from 2024-03-26 to 2026-02-10

13 Sampling activities

2 data types available - with data from 1945-05-05 to 2025-03-27

2 data types available - data from 1944-10-01 to 2026-09-04

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	13333000	n/a
Location name	GRANDE RONDE RIVER AT TROY, OR	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	45.945701924026	n/a
Decimal longitude (WGS84)	-117.451008949656	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	Wallowa County	063
Country	United States of America	n/a
Altitude of gage/land surface	1585.98 feet	n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	10 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Lower Grande Ronde	17060106
Drainage basin		n/a
Date of first construction		n/a
Drainage area	3275 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