USGS Water-Year Summary for Site 10327500

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	00060 Discharge(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

10327500 Humboldt River At Comus, NV

LOCATION - Lat 40°59'32", long 117°19'00" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.14, T.36 N., R.41 E., Humboldt County, NV, Hydrologic Unit 16040105, on left bank, at Comus siding of Southern Pacific Railroad, 9.0 mi northeast of Golconda, 1.0 mi upstream of Kelly Creek, 32 mi northwest of Battle Mountain, and at mi 191.48 above Derby Road bridge.

DRAINAGE AREA - 12,220 mi². at current location at Comus railroad siding.

REVISIONS HISTORY - WSP 1514: 1921-22, 1926. WSP 1314: 1904, 1907-8, 1911-13, 1916-17; WDR NV-99-1: Drainage area. Elevation of gage from beginning of record to 10/17/2017 was 4,359.9 ft and was revised on 10/17/2017, based on single-base OPUS-S level 3 survey.

SURFACE-WATER RECORDS

PERIOD OF RECORD - Oct. 1894 to Dec. 1909, Sep. 1910 to Sep. 1926, Oct. 1945 to current year. Monthly discharge only for some periods, published in WSP 1314. Published as "near Golconda" prior to Oct. 1917.

GAGE - Water-stage recorder. Elevation of gage is 4,363.3 ft above NAVD88 from Global Navigation Satellite System survey quality level 3. Prior to Sep. 25, 1917, non-recording gages at several sites in vicinity of present location at different datums. Sep. 25, 1917 to Jun. 30, 1923 and May 23, 1925 to May 31, 1926, non-recording gages at several sites within 7.0 mi of present site at different datums. Oct. 1, 1945 to Dec. 11, 1997 at Comus railroad siding site. Dec. 12, 1997 to Mar. 2, 2000, at site 6.5 mi downstream at Preble bridge. Mar. 7, 2000, gage moved back to upstream site at Comus railroad siding.

REMARKS - Many diversions above station for irrigation, 206,000 acres, additional acreage not covered by decree. Flows significantly influenced by discharge into river from mine de-watering approximately 15.5 mi upstream. 10/01/2013-09/30/2014: Records good except for estimated daily discharges, which are poor. 10/01/2014-09/30/2015: Records fair except for estimated daily discharges, which are poor. 10/01/2015-09/30/2016: Records fair except for estimated daily discharges, which are poor. 10/01/2016-09/30/2017: Records fair except for estimated discharges, which are poor. 10/01/2017-09/30/2018: Records fair except for estimated discharges, which are poor. 10/01/2018-09/30/2019: Records fair except for estimated discharges, which are poor. 10/01/2019-09/30/2020: Records fair except for estimated discharges, which are poor. 10/01/2020-09/30/2021: Records good except for estimated discharges, which are poor.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 9,900 ft³/s, Apr. 24, 1984, gage height, 12.25 ft; no flow at times some years.