Available data

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

7 data types available - data from 1987-10-01 to 2026-08-23

5 data types available - data from 1917-10-01 to 2026-08-22

4 data types available - data from 1970-10-12 to 2026-07-28

81 Observed properties (data types) available - with data from 1961-09-12 to 2026-08-17

825 Sampling activities

2 data types available - with data from 1917-04-27 to 2025-04-01

4 data types available - data from 1917-10-01 to 2026-08-22

Zoom out to see link to My Favorites

Operated in cooperation with:

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11502500	n/a
Location name	WILLIAMSON RIVER BLW SPRAGUE RIVER NR CHILOQUIN,OR	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	42.564375	n/a
Decimal longitude (WGS84)	-121.879713888889	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	Klamath County	035
Country	United States of America	n/a
Altitude of gage/land surface	4148.5 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	Williamson	18010201
Drainage basin		n/a
Date of first construction		n/a
Drainage area	3030 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