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Water-Year Summary for Site 09523000

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  • 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 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 32°52'17", long 114°28'47" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 NW 1/4 sec.17, T.15 S., R.24 E., Imperial County, CA, Hydrologic Unit 15030107, San Bernardino meridian, on left bank 6,000 ft downstream from intake at west end of Imperial Dam and 13.7 mi upstream from turnout to Yuma Main Canal.
PERIOD OF RECORD - October 1938 to 2014. Prior to October 1939, monthly discharge only, published in WSP 1313.  October 2014 to Current Year.
GAGE - A water-stage recorder.
COOPERATION - Mean daily discharge values can be furnished by Imperial Irrigation District.
REMARKS - Record is rated good. All-American Canal diverts water from Colorado River at Imperial Dam. Water is used for power development and for irrigation in Yuma, Coachella, and Imperial Valleys. Diversions can be returned to the river through Pilot Knob powerplant and wasteway for power, regulatory purposes, or for downstream use in Mexico. First diversion to All-American Canal began October 1938, but prior to October 1940 was used only for priming canal.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 14,400 ft³/s, April 17, July 15, 16, 1980; no flow at times.