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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
12080010 DESCHUTES RIVER AT E STREET BRIDGE, AT TUMWATER, WA
LOCATION - Lat 47°00'43", long 122°54'07" referenced to North American Datum of 1927, in NW 1/4 T.18 N., R.2 W., Thurston County, WA, Hydrologic Unit 17110016, Land Grant parcel 60, on left bank at "E" Street bridge, 0.2 mi upstream from Capitol Boulevard, and at mile 2.4.
DRAINAGE AREA - 162 mi².
REVISIONS HISTORY - WDR WA-96-1: 1991(P), 1992(P).
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 1945 to November 1954, water years 1955-57 (annual maximum), June 1957 to June 1964, published as "12080000 Deschutes River near Olympia", water years 1971-72, 1975, 1977-90 (discharge measurements only), October 1990 to current year.
GAGE - Water-stage recorder. Datum of gage is 62.01 ft above NGVD of 1929 and is 65.33 ft above NAVD of 1988 (from GNSS survey by USGS, July 23, 2024). April 1945 to Nov. 1954, water-stage recorder, Nov. 1954 to June 1957, crest-stage gage, June 1957 to June 1964, water-stage recorder, at site 1 mi upstream, at different datum.
REMARKS - Records good, except for estimated daily discharges and discharges above 2,000 ft³/s, which are fair. Some small diversions for irrigation and domestic use upstream from station. No regulation. U.S. Geological Survey satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,600 ft³/s, Feb. 9, 1996, gage height, 34.17 ft, on basis of slope-area measurement of peak flow; minimum discharge, 44 ft³/s, Sept. 11-14, 2006.
