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Water-Year Summary for Site 11408550

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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
11408550 Middle Yuba River below Milton Dam, near Sierra City, CA
LOCATION - Lat 39°31'19", long 120°34'57" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.12, T.19 N., R.12 E., Sierra County, CA, Hydrologic Unit 18020125, Tahoe National Forest, on right bank, 350 ft downstream from Milton Dam, and 4.1 mi southeast of Sierra City.
DRAINAGE AREA - 39.9 mi².
REVISIONS HISTORY - WDR CA-88-4: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1987 to current year. Peaks for water years 1926-64 published as "at Milton" (station 11408500). Unpublished records for water years 1965-87 available in files of the U.S. Geological Survey.
GAGE - Water-stage recorder, sharp-crested weir, and crest-stage gage. Elevation of gage is 5,690 ft above NGVD of 1929, from topographic map. Prior to October 1987, nonrecording gage 450 ft downstream at different datum.
COOPERATION - Records were collected by Nevada Irrigation District, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2266.
REMARKS - Middle Yuba River is regulated by Jackson Meadows Reservoir (station 11407800) since November 1964 and Milton Reservoir. Tunnel diverts from Middle Yuba River at Milton Dam, in sec.12, T.19 N., R.12 E., and discharges into Bowman Lake via Milton-Bowman Tunnel (station 11408000). Practically the entire flow of Middle Yuba River is diverted during low and medium flows. See schematic diagram of North and Middle Yuba River Basins available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,610 ft³/s, Jan. 2, 1997, gage height, 17.1 ft, from floodmarks; minimum daily, 0.77 ft³/s, Nov. 3, 1990.