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USGS 14238000 COWLITZ RIVER BELOW MAYFIELD DAM, WA

  Stream Site

DESCRIPTION:
Latitude 46°30'38",   Longitude 122°36'54"   NAD27
Lewis County, Washington, Hydrologic Unit 17080005
Drainage area: 1,400 square miles
Datum of gage: 226.60 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1951-02-08  2025-05-13  
 Daily Data
    Discharge, cubic feet per second  1934-04-01  2025-05-12  33280 
    Gage height, feet  1985-05-12  2010-09-30  8760 
 Daily Statistics 
    Discharge, cubic feet per second  1934-04-01  2024-10-27 33083 
    Gage height, feet  1985-05-12  2010-09-30 8760 
 Monthly Statistics 
    Discharge, cubic feet per second  1934-04  2024-10  
    Gage height, feet  1985-05  2010-09  
 Annual Statistics 
    Discharge, cubic feet per second  1934  2025  
    Gage height, feet  1985  2010  
 Peak streamflow 1911-11-19  2024-01-17  91 
 Field measurements 1946-05-27  2025-04-07  216 
 Field/Lab water-quality samples 1976-09-21  1980-09-16  37 
 Water-Year Summary 2006  2024  19 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Washington Water Science Center
Email questions about this site to Washington Water Science Center Water-Data Inquiries