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Welcome to the NWIS-Web for the Arizona Water Science Center


The majority of USGS Gaging Stations are funded though a cooperative program between the USGS other interested agencies.
Follow this link for information on the Cooperative Water Program with the USGS.


Arizona Water Science Center Home Page
Colorado Basin River Forecast Center (CBRFC) - provided by the National Weather Service, AHPS. CBRFC on an interactive map.
Threatened and Endangered USGS Gaging Stations in Arizona
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USGS 09429600 COLORADO RIVER BELOW LAGUNA DAM, AZ-CA

  Stream Site

DESCRIPTION:
Latitude 32°48'44",   Longitude 114°30'51"   NAD27
Imperial County, California, Hydrologic Unit 15030107
Drainage area: 188,600 square miles
Contributing drainage area: 184,600 square miles,
Datum of gage: 123.05 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1987-10-01  2026-01-22  
 Daily Data
    Discharge, cubic feet per second  1971-12-16  2026-01-21  19761 
 Daily Statistics 
    Discharge, cubic feet per second  1971-12-16  2025-12-11 19720 
 Monthly Statistics 
    Discharge, cubic feet per second  1971-12  2025-12  
 Annual Statistics 
    Discharge, cubic feet per second  1972  2026  
 Peak streamflow 1972-07-01  1995-11-01  24 
 Field measurements 1984-10-04  2026-01-13  720 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1972-07-17  2022-11-08  446 
 Water-Year Summary 2006  2025  20 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Arizona Water Science Center
Email questions about this site to Arizona Water Science Center Water-Data Inquiries