USGS Water-Year Summary 2019
11426170 Lake Valley Reservoir near Cisco, CA
LOCATION - Lat 39°18'01", long 120°35'46" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.35, T.17 N., R.12 E., Placer County, CA, Hydrologic Unit 18020128, on upstream face of dam near left abutment on North Fork of North Fork American River, and 3.1 mi west of Cisco.
DRAINAGE AREA - 4.54 mi².
- 2014. October 14, 2013, to February 5, 2014, were published in March 2016.
PERIOD OF RECORD - July 1987 to current year. Unpublished records for water years 1980-86 available in files of the U.S. Geological Survey.
GAGE - Water-stage recorder. Datum of gage is 5,727.4 ft above NGVD of 1929 (levels by Pacific Gas and Electric Company). Prior to July 1987, nonrecording gage at same site and datum.
COOPERATION - Records were collected by Pacific Gas and Electric Company, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2310.
EXTREMES FOR PERIOD OF RECORD - Maximum contents recorded, 8,225 acre-ft, Jan. 1, 1997, gage height, 58.35 ft; minimum recorded, 1,130 acre-ft, Mar. 8-12, 2008, minimum gage height, 24.72 ft, Mar. 10, 2008.