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Water-Year Summary for Site 06793000

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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)  
00065 Gage height(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
06793000 Loup River near Genoa, Nebr.
LOCATION - Lat 41°25'07", long 97°43'25" referenced to North American Datum of 1983, in SW 1/4 NE 1/4 sec.25, T.17 N., R.4 W., Nance County, NE, Hydrologic Unit 10210009, on right bank 12 ft downstream from bridge on State Highway 39, 2 mi south of Genoa, 3 mi upstream from Beaver Creek, 6 mi downstream from diversion dam of Loup River Public Power District and at river mile 26.8.
DRAINAGE AREA - 14,320 mi² of which 8,700 mi² probably is noncontributing.
REVISIONS HISTORY - WDR NE-94-1: Drainage area. WDR NE-99-1: 1993 (maximum stage).
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1928 to June 1932, October 1943 to current year (October 1953 to April 1955, monthly discharge only).
GAGE - Water-stage recorder with satellite telemetry. Datum of gage is 1,540.13 ft above sea level. Aug. 17, 1928 to June 30, 1932, non-recording gage at present site at datum 1.49 ft higher. Oct. 1, 1943 to Sept. 16, 1974 (Apr. 26 to Dec. 22, 1949, wire-weight gage only), at present site and datum. Sept. 17, 1974 to Nov. 21, 1977, at site 300 ft upstream at present datum.
REMARKS - Accuracy of records for water years prior to 2014 are noted in the individual Annual Data Reports for those water years. For water years 2014 onward, records fair to poor except for estimated daily discharges, which are poor, and other periods as noted. Accuracy was affected by the numerous flow changes caused by Loup River Power Canal operations and the extreme shifting of the sand-bed channel.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 129,000 ft³/s, August 13, 1966, from rating curve extended above 42,000 ft³/s, on basis of indirect measurement, gage height, 13.93 ft. Maximum gage height, 15.39 ft, March 14, 2019.