USGS Water-Year Summary 2020
11467553 North Fork Gualala River above South Fork Gualala River, near Gualala, CA
LOCATION - Lat 38°47'24", long 123°30'30" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 sec.23, T.11 N., R.15 W., Mendocino County, CA, Hydrologic Unit 18010109, on right bank, 400 ft downstream of Little North Fork Gualala River, 1.1 mi upstream of South Fork Gualala River, and 1.9 mi northeast of Gualala.
DRAINAGE AREA - 47.1 mi².
PERIOD OF RECORD - October 2000 to September 2001, October 2002 to September 2003, and October 2004 to May 2006. October 2009 to current year (low-flow records only).
WATER TEMPERATURE: Water year 2001.
GAGE - Water stage recorder. Elevation of gage is 30 ft above NGVD of 1929, from topographic map.