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 11046100

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
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
Print this page
USGS Water-Year Summary 2023
11046100 Las Flores Creek near Oceanside, CA
LOCATION - Lat 33°17'37", long 117°27'11" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 sec.24, T.10 S., R.6 W., San Diego County, CA, Hydrologic Unit 18070301, on Camp Joseph H. Pendleton Naval Reservation, at right bank, west of Stuart Mesa Road, 0.75 mi upstream from mouth, and 8.0 mi northwest of Oceanside.
DRAINAGE AREA - 26.1 mi².
REVISIONS HISTORY - WDR CA-72-1: 1971 (instantaneous maximum discharge).
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1951 to September 1967, October 1969 to September 1979, October 1993 to current year. Discharge records for October 1967 to September 1969 and October 1979 to September 1993 available in files of U.S. Marine Corps at Camp Pendleton.
GAGE - Water-stage recorder and multiple concrete culvert control. Elevation of gage is 35 ft above NGVD of 1929, from topographic map.
REMARKS - No regulation upstream from station. Camp Pendleton Water Treatment Plant No. 9 discharges to the channel at a point approximately 2.7 mi upstream from gage. Some pumping upstream from station for irrigation.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Feb. 25, 1969, reached a stage of 7.25 ft, from floodmarks, discharge, 4,200 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 7,300 ft³/s, estimated, Mar. 4, 1978, gage height, 13.67 ft, from floodmarks, based on culvert computation of peak flow; no flow for several days in most years.