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USGS 09371010 SAN JUAN RIVER AT FOUR CORNERS, CO

  Stream Site

DESCRIPTION:
Latitude 37°00'04.1",   Longitude 109°01'46.5"   NAD83
Montezuma County, Colorado, Hydrologic Unit 14080201
Drainage area: 14,600 square miles
Datum of gage: 4,609.50 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1990-10-02  2025-10-29  
 Daily Data
    Temperature, water, degrees Celsius  2014-03-11  2025-10-28  3676 
    Discharge, cubic feet per second  1977-10-01  2025-10-28  17415 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016-05-19  2023-11-26  1875 
    pH, water, unfiltered, field, standard units  2016-05-19  2023-11-14  2077 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2016-05-19  2023-11-14  2088 
 Daily Statistics 
    Temperature, water, degrees Celsius  2014-03-11  2022-01-04 2619 
    Discharge, cubic feet per second  1977-10-01  2023-09-29 16655 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016-05-19  2021-11-17 1489 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2016-05-19  2021-12-30 1746 
 Monthly Statistics 
    Temperature, water, degrees Celsius  2014-03  2022-01  
    Discharge, cubic feet per second  1977-10  2023-09  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016-05  2021-11  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2016-05  2021-12  
 Annual Statistics 
    Temperature, water, degrees Celsius  2014  2022  
    Discharge, cubic feet per second  1978  2023  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  2016  2022  
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2016  2022  
 Peak streamflow 1985-06-11  2023-06-01  36 
 Field measurements 1984-10-11  2025-09-24  507 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1977-12-13  2024-01-19  403 
 Water-Year Summary 2006  2022  17 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS New Mexico Water Science Center
Email questions about this site to New Mexico Water Science Center Water-Data Inquiries