USGS Water-Year Summary 2023
11414195 Drum No 2 Powerhouse near Blue Canyon, CA
LOCATION - Lat 39°15'26", long 120°45'59" referenced to North American Datum of 1927, Placer County, CA, Hydrologic Unit 18020126, near left bank of Bear River 0.5 mi upstream from Drum Afterbay and 2.4 mi west of Blue Canyon.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1986 to current year. Unpublished records for water years 1981-86 available in the files of the U.S. Geological Survey.
GAGE - Discharge computed based on electrical power generation and the head. Elevation of powerplant is 3,390 ft above NGVD of 1929, from topographic map.
COOPERATION - Records were collected by Pacific Gas and Electric Co., under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2310.