USGS Water-Year Summary 2023
11048520 Central Irvine Channel near Tustin, CA
LOCATION - Lat 33°42'58", long 117°47'22" referenced to North American Datum of 1983, Orange County, CA, Hydrologic Unit 18070204, in Lomas de Santiago Land Grant, on right bank of drain channel, 50 ft north of Interstate 5, 0.25 mi south of El Camino Real, 0.60 mi north of Culver Drive, and 2.5 mi southeast of Tustin.
DRAINAGE AREA - Indeterminate.
SURFACE-WATER RECORDS
PERIOD OF RECORD - January to December 2010, November 2011 to November 1, 2015 (discontinued).
GAGE - Water-stage recorder and concrete channel control. Elevation of gage is 82 ft above NGVD of 1929, from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 847 ft³/s, Jan. 19, 2010, gage height, 4.10 ft, from rating curve extended above 705 ft³/s.