USGS Water-Year Summary 2020
11022200 Los Coches Creek near Lakeside, CA
LOCATION - Lat 32°50'10", long 116°53'58" referenced to North American Datum of 1927, San Diego County, CA, Hydrologic Unit 18070304, in Mission San Diego Grant, on upstream right bank side of bridge on Old Highway 8, 2.7 mi upstream from mouth, and 1.9 mi southeast of Lakeside.
DRAINAGE AREA - 12.2 mi².
- WDR CA-86-1: Drainage area.
PERIOD OF RECORD - October 1983 to current year.
GAGE - Water-stage recorder, concrete control, and crest-stage gage. Elevation of gage is 560 ft above NGVD of 1929, from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,090 ft³/s, Mar. 5, 1995, gage height, 9.74 ft, from rating curve extended above 209 ft³/s, on basis of critical-depth computations; minimum daily discharge is 0.01 ft³/s many days from 2014-2016.