USGS Water-Year Summary 2019
11408000 Milton-Bowman Tunnel Outlet near Graniteville, CA
LOCATION - Lat 39°27'37", long 120°36'37" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.03, T.18 N., R.12 E., Nevada County, CA, Hydrologic Unit 18020125, on right bank, 100 ft downstream from tunnel outlet, near upper end of Bowman Lake, and 6.9 mi east of Graniteville.
PERIOD OF RECORD - May 1928 to September 1930, February 1931 to current year. Monthly discharge only for some periods, published in WSP 1315-A. Prior to October 1962, published as "Milton-Bowman tunnel at outlet."
GAGE - Water-stage recorder and Parshall flume. Datum of gage is 5,592.51 ft above NGVD of 1929. Prior to Sept. 22, 1964, at datum 0.56 ft higher.
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 daily discharge, 492 ft³/s, Feb. 11, 1941; minimum daily, 0.4 ft³/s, Oct. 7, 1944.