USGS Water-Year Summary 2020
11058600 Waterman Canyon Creek near Arrowhead Springs, CA
LOCATION - Lat 34°11'09", long 117°16'20" referenced to North American Datum of 1983, in NE 1/4 SW 1/4 sec.11, T.1 N., R.4 W., San Bernardino County, CA, Hydrologic Unit 18070203, on right bank, at upstream end of Arrowhead Springs Road Bridge, and 0.6 mi southwest of Arrowhead Springs.
DRAINAGE AREA - 4.82 mi².
- WDR US-2008: Drainage Area.
PERIOD OF RECORD - November 1911 to October 1914 (published as "near San Bernardino"), December 1919 to September 1985, October 2007 to current year.
GAGE - Water-stage recorder, concrete control, and crest-stage gage. Elevation of gage is 1,840 ft above NGVD of 1929, from topographic map. November 1911 to October 1914, nonrecording gage at site 0.45 mi upstream at different datum. December 1919 to September 1985, at site 0.5 mi upstream at different datum.
EXTREMES FOR PERIOD OF RECORD - (Since 1920) Maximum discharge, 2,350 ft³/s, Mar. 2, 1938, estimated, based on rainfall-runoff studies, at site and datum then in use; maximum gage height, 5.53 ft, Jan. 25, 1969, at site and datum then in use; no flow at times in some years, prior to water year 2008.