USGS Water-Year Summary 2023
11415500 Bowman Lake near Graniteville, CA
LOCATION - Lat 39°27'01", long 120°39'09" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.05, T.18 N., R.12 E., Nevada County, CA, Hydrologic Unit 18020125, on right bank, near rockfill portion of Bowman Dam on Canyon Creek, 4.6 mi east of Graniteville, and 8 mi south of Sierra City.
DRAINAGE AREA - 27.1 mi².
REVISIONS HISTORY - WSP 1931: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 1926 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (levels by Nevada Irrigation District). Prior to Oct. 8, 1964, nonrecording gage at same site and datum.
COOPERATION - Records were collected by Nevada Irrigation District, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2266.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 71,000 acre-ft, May 30, 1965, elevation, 5,566.5 ft; lake completely drained for inspection and repair Nov. 25 to Dec. 9, 1949, Oct. 1-20, 1966, Oct. 4-29, 1972, and Sept. 21-30, 1981.