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USGS 12155500 SNOHOMISH RIVER AT SNOHOMISH, WA

  Stream Site

DESCRIPTION:
Latitude 47°54'39.6",   Longitude 122°05'55.5"   NAD83
Snohomish County, Washington, Hydrologic Unit 171100110203
Drainage area: 1,714.0 square miles
Datum of gage: -6.43 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2015-10-01  2026-01-18  
 Daily Data
    Discharge, cubic feet per second  1965-10-07  1966-07-18  156 
    Gage height, feet  1998-09-30  2026-01-17  5469 
    Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)  2022-10-01  2024-03-15  378 
 Daily Statistics 
    Discharge, cubic feet per second  1965-10-07  1966-07-18 156 
    Gage height, feet  1998-09-30  2025-08-18 5339 
 Monthly Statistics 
    Discharge, cubic feet per second  1965-10  1966-07  
    Gage height, feet  1998-09  2025-08  
 Annual Statistics 
    Discharge, cubic feet per second  1966  1966  
    Gage height, feet  1998  2025  
 Peak streamflow 1906  1966-05-07  30 
 Field measurements 1966-12-14  2024-07-10  44 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1960-10-01  2023-12-05  250 
 Water-Year Summary 2015  2024  10 
 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