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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
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2016-12-10  
 Daily Data
    Temperature, water, degrees Celsius  1991-05-08  2016-12-09  27281 
    Temperature, air, degrees Celsius  1993-04-30  2016-12-09  24495 
    Barometric pressure, millimeters of mercury  1999-05-06  2016-12-09  18897 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1991-05-08  2016-12-09  26676 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1991-05-08  2016-12-09  26871 
    pH, water, unfiltered, field, standard units  1991-05-08  2016-12-09  23517 
    Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter  2001-04-27  2016-12-09  8569 
    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  2016-12-09  12714 
    Cyanobacteria (blue-green algae), YSI in vivo fluorescence of phycocyanin, excitation at 595, emission at 650 nm, cells per milliliter  2010-03-26  2016-12-09  3048 
 Daily Statistics 
    Temperature, water, degrees Celsius  1991-05-08  2016-10-11 9036 
    Temperature, air, degrees Celsius  1993-04-30  2016-03-27 7908 
    Barometric pressure, millimeters of mercury  1999-05-06  2016-03-27 6042 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1991-05-08  2016-10-11 8833 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1991-05-08  2016-03-27 8701 
    Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter  2001-10-01  2015-10-19 2589 
    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 
    Cyanobacteria (blue-green algae), YSI in vivo fluorescence of phycocyanin, excitation at 595, emission at 650 nm, cells per milliliter  2010-03-26  2014-11-18 959 
 Monthly Statistics 
    Temperature, water, degrees Celsius  1991-05  2016-10  
    Temperature, air, degrees Celsius  1993-04  2016-03  
    Barometric pressure, millimeters of mercury  1999-05  2016-03  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1991-05  2016-10  
    Dissolved oxygen, water, unfiltered, milligrams per liter  1991-05  2016-03  
    Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter  2001-10  2015-10  
    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  
    Cyanobacteria (blue-green algae), YSI in vivo fluorescence of phycocyanin, excitation at 595, emission at 650 nm, cells per milliliter  2010-03  2014-11  
 Annual Statistics 
    Temperature, water, degrees Celsius  1991  2017  
    Temperature, air, degrees Celsius  1993  2016  
    Barometric pressure, millimeters of mercury  1999  2016  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1991  2017  
    Dissolved oxygen, water, unfiltered, milligrams per liter  1991  2016  
    Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter  2002  2016  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2004  2006  
    Cyanobacteria (blue-green algae), YSI in vivo fluorescence of phycocyanin, excitation at 595, emission at 650 nm, cells per milliliter  2010  2015  
 Field/Lab water-quality samples 2001-04-30  2015-09-21  354 
 Water-Year Summary 2014  2016  3 
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