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USGS 14182500 LITTLE NORTH SANTIAM RIVER NEAR MEHAMA, OR

  Stream Site

DESCRIPTION:
Latitude 44°47'30",   Longitude 122°34'40"   NAD27
Marion County, Oregon, Hydrologic Unit 17090005
Drainage area: 112 square miles
Datum of gage: 655.41 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1988-10-01  2025-10-29  
 Daily Data
    Temperature, water, degrees Celsius  1985-07-02  2025-10-29  23075 
    Discharge, cubic feet per second  1931-10-01  2025-10-28  34362 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2000-04-06  2025-10-28  18347 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-01-17  2025-10-29  5700 
    pH, water, unfiltered, field, standard units  2000-06-21  2025-10-29  18764 
    Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)  2022-10-30  2025-10-28  3219 
    Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)  2024-08-23  2025-10-28  1296 
    Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll  2022-10-30  2025-07-14  2956 
    Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin  2022-10-30  2024-08-22  1988 
    Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)  2024-08-23  2025-10-28  1296 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2000-04-06  2015-12-06  16824 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2021-07-01  2025-10-28  4665 
 Daily Statistics 
    Temperature, water, degrees Celsius  1985-10-01  2024-12-03 7301 
    Discharge, cubic feet per second  1931-10-01  2024-11-19 34019 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2000-04-06  2024-12-03 5786 
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-01-17  2024-12-03 1568 
 Monthly Statistics 
    Temperature, water, degrees Celsius  1985-10  2024-12  
    Discharge, cubic feet per second  1931-10  2024-11  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2000-04  2024-12  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009-01  2024-12  
 Annual Statistics 
    Temperature, water, degrees Celsius  1986  2025  
    Discharge, cubic feet per second  1932  2025  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2000  2025  
    Dissolved oxygen, water, unfiltered, milligrams per liter  2009  2025  
 Peak streamflow 1932-03-18  2023-12-03  93 
 Field measurements 1964-12-01  2025-09-03  271 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1998-10-29  2024-01-09  222 
 Water-Year Summary 2006  2024  19 
 Revisions  Loading...
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