USGS Water-Year Summary for Site 10329000

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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

10329000 Little Humboldt River Near Paradise Valley, NV

LOCATION - Lat 41°24'56.96", long 117°22'24.64" referenced to North American Datum of 1983, in NW 1/4 SE 1/4 sec.20, T.41 N., R.41 E., Humboldt County, NV, Hydrologic Unit 16040109, on right bank, 3.5 mi downstream from Bull Head Ranch, and 9.5 mi southeast of Paradise Valley.

DRAINAGE AREA - 1,030 mi².

REVISIONS HISTORY - Elevation of gage from beginning of record to 10/17/2017 was 4,470 ft and was revised on 10/17/2017, based on single-base OPUS-S level 3 survey.

SURFACE-WATER RECORDS

PERIOD OF RECORD - Oct. 1921 to Jan. 1928 (fragmentary), Oct. 1943 to current year.

GAGE - Water-stage recorder. Elevation of gage is 4,464.4 ft above NAVD88 from Global Navigation Satellite System survey quality level 3. Water-stage recorder at site 1 mi downstream at different datum. Nov. 21, 1946, to Aug. 16, 1972, at site 250 ft upstream at datum 2.21 ft higher, Aug. 16, 1972 to Jan. 07, 1998 at same site at datum 3.0 ft lower.

REMARKS - Flow regulated by Chimney Dam Reservoir, capacity, 35,000 acre-ft, 10 mi upstream, since 1975. Records not adjusted for storage. Diversions for irrigation of 4,450 acres, Little Humboldt Decree, above station. Station is above all diversions in Paradise Valley. 10/01/2013-09/30/2014: Records fair. 10/01/2014-09/30/2015: Records fair except for estimated daily discharges, which are poor. 10/01/2015-09/30/2016: Records fair. 10/01/2016-09/30/2017: Records good. 10/01/2017-09/30/2018: Records good. 10/01/2018-09/30/2019: Records fair. 10/01/2019-09/30/2020: Records good. 10/01/2020-09/30/2021: Records good except for estimated discharges, which are poor.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge prior to dam, 2,380 ft³/s, Jan. 21, 1969, gage height, 8.40 ft; maximum discharge after dam completed, 678 ft³/s, May 15, 1984, gage height, 6.46 ft; maximum gage height prior to dam, 12.10 ft, Feb 23, 1927; maximum gage height after dam completed, 10.05 ft, Jan. 11, 2017; minimum daily before dam, 4.0 ft³/s, Jan. 07, 1970; minimum daily after dam, 3.9 ft³/s, Jun. 25-28, 2015.