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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
 Current / Historical Observations     (availability statement)    2007-10-01  2024-07-16  
 Daily Data
    Temperature, water, degrees Celsius  1991-05-08  2024-07-15  35504 
    Temperature, air, degrees Celsius  1993-04-30  2024-07-15  32810 
    Barometric pressure, millimeters of mercury  1999-05-06  2024-07-15  27214 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1991-05-08  2024-07-15  34810 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1991-05-08  2024-07-15  35082 
    pH, water, unfiltered, field, standard units  1991-05-08  2024-07-15  35113 
    Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)  2024-05-07  2024-07-15  201 
    Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll  2001-04-26  2023-11-20  12356 
    Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)  2021-12-03  2024-07-15  1603 
    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  2024-07-15  20770 
 Daily Statistics 
    Temperature, water, degrees Celsius  1991-05-08  2023-10-03 11545 
    Temperature, air, degrees Celsius  1993-04-30  2023-10-03 10648 
    Barometric pressure, millimeters of mercury  1999-05-06  2023-10-03 8784 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1991-05-08  2023-10-03 11308 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1991-05-08  2023-10-03 11398 
    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  2023-10  
    Temperature, air, degrees Celsius  1993-04  2023-10  
    Barometric pressure, millimeters of mercury  1999-05  2023-10  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1991-05  2023-10  
    Dissolved oxygen, water, unfiltered, milligrams per liter  1991-05  2023-10  
    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  2024  
    Temperature, air, degrees Celsius  1993  2024  
    Barometric pressure, millimeters of mercury  1999  2024  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1991  2024  
    Dissolved oxygen, water, unfiltered, milligrams per liter  1991  2024  
    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 2001-04-30  2021-12-13  472 
 Water-Year Summary 2014  2023  10 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Oregon Water Science Center
Email questions about this site to Oregon Water Science Center Water-Data Inquiries