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Water-Year Summary for Site 09242500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2018: 2017-10-01 to 2018-09-30
 

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USGS Water-Year Summary 2018
09242500 ELK RIVER NEAR MILNER, CO
LOCATION - Lat 40°30'53", long 106°57'12" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 sec.05, T.6 N., R.85 W., Routt County, CO, Hydrologic Unit 14050001, on left bank 15 ft downstream from bridge on County Road 42, 2.5 mi upstream from mouth, and 3.2 mi east of Milner.
DRAINAGE AREA - 448 mi².
REVISIONS HISTORY - WDR CO-98-2:1997 (M). WDR-US-2011: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1904 to September 1927 (published as "near Trull"). April 1990 to December 2008. May 2009 to September 2012 (seasonal records only), October 2012 to current year. Records for 1910-27 furnished by State Engineer of Colorado. Monthly discharge only for some periods, published in WSP 1313.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 6,590 ft above NGVD of 1929, from topographic map. May 1904 to Sept. 1909, nonrecording gage, at different datum, Oct. 1910 to Sept. 1927, water-stage recorder at different datum.
REMARKS - Water year 2014; records good except for estimated daily discharges, which are poor. Water year 2015; records good except for estimated daily discharges, which are poor. Water year 2016; records good except for estimated daily discharges, which are poor. Water year 2017; records good except for estimated daily discharges, which are poor. Water year 2018; records good except for estimated daily discharges, which are poor. Diversions upstream from station for irrigation. Natural flow of stream affected by storage in Lester Creek Reservoir (known also as Pearl Lake), capacity, 5,660 acre-ft, since 1963, and Steamboat Lake, capacity, 23,060 acre-ft, since 1968.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,590 ft³/s, June 7, 2011, peak discharge includes 200 ft³/s (estimated) overflow that bypassed the main channel, gage height, 8.14 ft.