USGS Water-Year Summary 2023
11427700 Duncan Canyon Creek near French Meadows, CA
LOCATION - Lat 39°08'09", long 120°28'39" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.24, T.15 N., R.13 E., Placer County, CA, Hydrologic Unit 18020128, in Tahoe National Forest, on left bank, 0.2 mi upstream from diversion dam, 0.5 mi downstream from Little Duncan Creek, 2 mi northwest of French Meadows, and 20 mi northeast of Foresthill.
DRAINAGE AREA - 9.94 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1960 to current year. Published as "Duncan Creek near French Meadows" 1961-2000.
GAGE - Water-stage recorder. Elevation of gage is 5,270 ft above NGVD of 1929, from topographic map. Prior to Sept. 3, 1965, at site 150 ft upstream at datum 9.56 ft higher.
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.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 3,650 ft³/s, Dec. 22, 1964, gage height, 10.6 ft, from floodmarks, from rating curve extended above 400 ft³/s, on basis of computation of flow over diversion dam, maximum gage height, 10.95 ft, Jan. 1, 1997 (backwater from debris dam); minimum daily, 0.10 ft³/s, several days during July and August 1977.