Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS 14211820 COLUMBIA SLOUGH AT PORTLAND, OR

  Stream: Tidal stream Site

DESCRIPTION:
Latitude 45°38'21",   Longitude 122°45'43"   NAD27
Multnomah County, Oregon, Hydrologic Unit 17090012
Datum of gage: 1.53 feet above   NGVD29.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1989-06-30  2024-11-21  
 Daily Data
    Discharge, cubic feet per second  1988-10-14  2024-11-20  12260 
    Discharge, tidally filtered, cubic feet per second  2006-10-01  2024-11-18  5907 
 Daily Statistics 
    Discharge, cubic feet per second  1988-10-14  2021-10-13 11185 
    Discharge, tidally filtered, cubic feet per second  2006-10-01  2020-09-29 4859 
 Monthly Statistics 
    Discharge, cubic feet per second  1988-10  2021-10  
    Discharge, tidally filtered, cubic feet per second  2006-10  2020-09  
 Annual Statistics 
    Discharge, cubic feet per second  1989  2022  
    Discharge, tidally filtered, cubic feet per second  2007  2020  
 Peak streamflow 1990-01-28  2021-06-23  32 
 Field measurements 1988-08-04  2024-11-15  272 
 Water-Year Summary 2006  2021  16 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Oregon Water Science Center
Email questions about this site to Oregon Water Science Center Water-Data Inquiries