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USGS 14207200 TUALATIN RIVER AT OSWEGO DAM, NEAR WEST LINN, OR

  Stream Site

DESCRIPTION:
Latitude 45°21'24",   Longitude 122°41'02"   NAD27
Clackamas County, Oregon, Hydrologic Unit 17090010
Drainage area: 706 square miles
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Daily Data
    Temperature, water, degrees Celsius  1991-05-08  2025-10-21  36881 
    Temperature, air, degrees Celsius  1993-04-30  2025-10-21  34188 
    Barometric pressure, millimeters of mercury  1999-05-06  2025-10-21  28592 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1991-05-08  2025-10-21  36184 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1991-05-08  2025-10-21  36433 
    pH, water, unfiltered, field, standard units  1991-05-08  2025-10-21  36442 
    Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)  2024-05-07  2025-10-21  1231 
    Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll  2001-04-26  2023-11-20  11385 
    Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)  2024-05-07  2025-10-21  1262 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2004-04-05  2025-10-21  22140 
 Daily Statistics 
    Temperature, water, degrees Celsius  1991-05-08  2025-09-04 12239 
    Temperature, air, degrees Celsius  1993-04-30  2025-04-15 11207 
    Barometric pressure, millimeters of mercury  1999-05-06  2025-04-15 9344 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1991-05-08  2025-09-04 12001 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1991-05-08  2025-04-15 11938 
    Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll  2001-04-27  2019-11-06 3510 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2004-04-05  2006-09-30 785 
 Monthly Statistics 
    Temperature, water, degrees Celsius  1991-05  2025-09  
    Temperature, air, degrees Celsius  1993-04  2025-04  
    Barometric pressure, millimeters of mercury  1999-05  2025-04  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1991-05  2025-09  
    Dissolved oxygen, water, unfiltered, milligrams per liter  1991-05  2025-04  
    Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll  2001-04  2019-11  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2004-04  2006-09  
 Annual Statistics 
    Temperature, water, degrees Celsius  1991  2025  
    Temperature, air, degrees Celsius  1993  2025  
    Barometric pressure, millimeters of mercury  1999  2025  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1991  2025  
    Dissolved oxygen, water, unfiltered, milligrams per liter  1991  2025  
    Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll  2001  2020  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2004  2006  
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 2001-04-30  2021-12-13  472 
 Water-Year Summary 2014  2024  11 
 Revisions  Loading...
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