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Water-Year Summary for Site 11427750

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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
11427750 Duncan Canyon Creek below Diversion Dam, near French Meadows, CA
LOCATION - Lat 39°07'59", long 120°28'58" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.23, T.15 N., R.13 E., Placer County, CA, Hydrologic Unit 18020128, in Tahoe National Forest, on right bank, 800 ft downstream from unnamed right bank tributary, 1,000 ft downstream from Duncan Canyon Creek Diversion Dam, and 20 mi northeast of Foresthill.
DRAINAGE AREA - 10.5 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1964 to current year. Published as "Duncan Creek below diversion dam, near French Meadows" 1965-2000.
GAGE - Water-stage recorder. Elevation of gage is 5,210 ft above NGVD of 1929, from topographic map.
COOPERATION - Records provided by Placer County Water Agency, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2079.
REMARKS - Natural flow affected by trans-mountain diversion through Duncan Canyon Creek Diversion Tunnel to French Meadows Reservoir (station 11427400). Maximum design flow of tunnel is 400 ft³/s. See schematic diagram of Middle Fork American and Rubicon River Basins available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 3,640 ft³/s, Dec. 22, 1964, gage height, 8.74 ft, in gage well, 10.0 ft, from floodmarks, from rating curve extended above 400 ft³/s, on basis of computation of peak flow over diversion dam; no flow at times in 1965-66.