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USGS 14206694 TUALATIN RIVER AT RIVER MILE 24.5, NR SCHOLLS, OR

  Stream Site

DESCRIPTION:
Latitude 45°24'06",   Longitude 122°53'38"   NAD27
Washington County, Oregon, Hydrologic Unit 17090010
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2025-07-11  
 Daily Data
    Temperature, water, degrees Celsius  1997-05-24  2025-07-11  18059 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1997-05-24  2025-07-11  18026 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1997-05-28  2025-07-11  17965 
    pH, water, unfiltered, field, standard units  1997-05-24  2025-07-11  14642 
    Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll  2019-04-23  2020-10-26  1191 
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin  2019-04-24  2020-10-26  1192 
 Daily Statistics 
    Temperature, water, degrees Celsius  1997-05-24  2024-11-18 5934 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1997-05-24  2024-11-18 5927 
    Dissolved oxygen, water, unfiltered, milligrams per liter  1997-05-28  2024-11-18 5903 
    pH, water, unfiltered, field, standard units  2012-04-25  2024-11-19 2728 
    Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll  2019-04-23  2020-10-26 397 
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin  2019-04-24  2020-10-26 396 
 Monthly Statistics 
    Temperature, water, degrees Celsius  1997-05  2024-11  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1997-05  2024-11  
    Dissolved oxygen, water, unfiltered, milligrams per liter  1997-05  2024-11  
    pH, water, unfiltered, field, standard units  2012-04  2024-11  
    Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll  2019-04  2020-10  
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin  2019-04  2020-10  
 Annual Statistics 
    Temperature, water, degrees Celsius  1997  2025  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1997  2025  
    Dissolved oxygen, water, unfiltered, milligrams per liter  1997  2025  
    pH, water, unfiltered, field, standard units  2012  2025  
    Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll  2019  2021  
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin  2019  2021  
 Field/Lab water-quality samples 2019-04-22  2020-10-27  18 
 Water-Year Summary 2014  2024  11 
 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