USGS 11502500 WILLIAMSON RIVER BLW SPRAGUE RIVER NR CHILOQUIN,OR

PROVISIONAL DATA SUBJECT TO REVISION

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Station operated in cooperation with PacifiCorp and the Klamath Tribes.

NOTE: River forecasts and additional data can be obtained at the 
National Weather Service's Advanced Hydrologic Prediction Services web page.

NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.

Click Here for Additional Real-Time Water Quality Data.
Available Parameters Available Period
  
2007-10-17  2025-12-15
1987-10-01  2025-12-15
2007-10-01  2025-12-15
2023-01-03  2025-12-15
2007-10-17  2024-10-29
2022-12-15  2025-12-15
2007-10-17  2024-10-29







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius
Most recent instantaneous value: 4.4 12-15-2025   14:45 PST
Graph of Temperature, water, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: 578 12-15-2025   14:45 PST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Dec 15 based on 106 water years of record more
Min
(2023)		 Most Recent
Instantaneous
Value Dec 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1951)
455 578 623 738 866 1010 2080

Gage height, feet
Most recent instantaneous value: 3.53 12-15-2025   14:45 PST
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, EXO Monitor
Most recent instantaneous value: 90 12-15-2025   14:45 PST
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), EXO Monitor, [YSI EXO3]
Most recent instantaneous value: 1.2 12-15-2025   14:45 PST
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [YSI EXO3]

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), [FTS DTS-12]
 
-- Data temporarily unavailable for the time period specified --

Suspended sediment concentration, water, unfiltered, estimated by regression equation, milligrams per liter
 
-- Data temporarily unavailable for the time period specified --