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Streamflow Measurements for the Nation

USGS 14211720 WILLAMETTE RIVER AT PORTLAND, OR

Multnomah County, Oregon
Hydrologic Unit Code 17090012
Latitude  45°31'03", Longitude 122°40'09" NAD83
Drainage area 11,200  square miles
Gage datum 1.55 feet above NGVD29

Period of record
Begin Date End Date Count
1987-11-20 2024-03-27 244

 
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