USGS Water-Year Summary 2023
11416590 Lower Rock Lake near Graniteville, CA
LOCATION - Lat 39°25'43", long 120°37'18" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.15, T.18 N., R.12 E., Nevada County, CA, Hydrologic Unit 18020125, in Tahoe National Forest, on outlet structure on Lower Rock Lake Dam on Texas Creek, and 6.4 mi east of Graniteville.
DRAINAGE AREA - 0.36 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1999 to current year. Unpublished records for water years 1966-99 available in the files of the U.S. Geological Survey.
GAGE - Water-stage recorder. Prior to April 2015, nonrecording gage observed intermittently during the summer months. Elevation of gage is 6,622 ft above NGVD of 1929, from topographic map.
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.