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Water-Year Summary for Site 09487000

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

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USGS Water-Year Summary 2021
LOCATION - Lat 32°04'32", long 111°20'17" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 SW 1/4 sec.32, T.15 S., R.10 E., Pima County, AZ, Hydrologic Unit 15050302, on right bank downstream side of State Highway 86 bridge, 1.6 mi west of Three Points, and 23 mi west of Tucson.
DRAINAGE AREA - 776 mi².
PERIOD OF RECORD - Oct. 1966 to Sept. 1981 (crest-stage gage) at site 1,000 ft downstream, May 1992 to current year.
GAGE - Water-stage recorder and crest-stage gages. Elevation of gage is 2,540 ft above sea level, from topographic map. Prior to May 19, 1992, gage was located 1,000 ft downstream from current location.
REMARKS - Record is fair.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge, 19,100 ft³/s Oct. 1, 1983, from contracted opening measurement of peak flow, gage height 12.07 ft from floodmarks.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge 13,700 ft³/s Sept. 4, 1970, gage height 15.8 ft site and datum then in use; Minimum discharge, no flow for most of each year.