Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Water-Year Summary for Site USGS 11044250

Click to hide Water-Year Summary instructions and information
  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters

Water year 2021: 2021-10-01 to 2022-09-30
 

Print this page
USGS Water-Year Summary 2021
11044250 Rainbow Creek near Fallbrook, CA
LOCATION - Lat 33°24'27", long 117°12'00" referenced to North American Datum of 1927, in NW 1/4 SE 1/4 sec.09, T.9 S., R.3 W., San Diego County, CA, Hydrologic Unit 18070302, on left bank, 1.0 mi upstream from the confluence with Santa Margarita River, and 3.4 mi northeast of Fallbrook. Address is 2021 Willow Glen Rd, Fallbrook, San Diego County, CA 92028.
DRAINAGE AREA - 10.3 mi².
REVISIONS HISTORY - WDR CA-91-1: 1990 (instantaneous maximum discharge).
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 1989 to current year.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 540 ft above NGVD of 1929, from topographic map.
REMARKS - No regulation upstream from station. Undetermined amount of water upstream from station used for irrigation by a local nursery. Natural flow affected by return flow from irrigated areas. Water is imported for domestic use and irrigation. See schematic diagram of Santa Margarita River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,000 ft³/s, estimated, Jan. 16, 1993, gage height unknown, on basis of slope-area measurement of peak flow, maximum recorded gage height, 10.41 ft, Jan. 11, 2005, Dec. 22, 2010; minimum daily, 0.01 ft³/s, Sept. 22, Nov. 3, 2002.