USGS 11520500 KLAMATH R NR SEIAD VALLEY CA

PROVISIONAL DATA SUBJECT TO REVISION

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This station managed by the Redding Field Office.

Available Parameters Available Period
  
1988-10-01  2026-07-21
2007-10-01  2026-07-21
2023-07-22  2026-07-21
2018-11-14  2026-04-01
2024-01-12  2024-12-31
2023-07-22  2026-07-21
2023-07-22  2026-07-21
2023-07-22  2026-07-21
2023-07-22  2026-07-21
2023-07-22  2026-07-21
2023-07-22  2026-07-21







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 1110 07-21-2026   18:00 PDT
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Daily discharge, cubic feet per second -- statistics for Jul 21 based on 87 water years of record more
Min
(1924)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Jul 21		 Median Mean 75th
percen-
tile		 Max
(1913)
390 1020 1110 1200 1400 1660 3350

Gage height, feet
Most recent instantaneous value: 1.97 07-21-2026   18:00 PDT
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Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 1315.75 07-21-2026   18:00 PDT
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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), [Data Furnished by Karuk Tribe]
 
-- Data temporarily unavailable for the time period specified --

Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 135-180 degrees, SDVB (styrene divinylbenzene beads) backscatter units(SBU), NEP5000-180, [Data not published if <300 SBU]
 
-- Data temporarily unavailable for the time period specified --

Suspended sediment load, water, unfiltered, computed, the product of regression-computed suspended sediment concentration and streamflow, short tons per day, [From EXO2]
Most recent instantaneous value: 9.74 07-21-2026   13:45 PDT
Graph of Suspended sediment load, water, unfiltered, computed, the product of regression-computed suspended sediment concentration and streamflow, short tons per day, [From EXO2]

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Upper 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, [From EXO2]
Most recent instantaneous value: 5.9 07-21-2026   13:45 PDT
Graph of Upper 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, [From EXO2]

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Lower 90 percent prediction limit for SSC by regression (PCODE 99409), milligrams per liter, [From EXO2]
Most recent instantaneous value: 1.8 07-21-2026   13:45 PDT
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Upper 90 percent prediction limit for suspended sediment load by regression (PCODE 80297), short tons per day, [From EXO2]
Most recent instantaneous value: 17.4 07-21-2026   13:45 PDT
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Lower 90 percent prediction limit for suspended sediment load by regression (PCODE 80297), short tons per day, [From EXO2]
Most recent instantaneous value: 5.45 07-21-2026   13:45 PDT
Graph of Lower 90 percent prediction limit for suspended sediment load by regression (PCODE 80297), short tons per day, [From EXO2]

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Suspended sediment concentration, water, unfiltered, estimated by regression equation, milligrams per liter, [From EXO2]
Most recent instantaneous value: 3.3 07-21-2026   13:45 PDT
Graph of Suspended sediment concentration, water, unfiltered, estimated by regression equation, milligrams per liter, [From EXO2]

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