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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.
USGS Water-Year Summary 2024
09516500 HASSAYAMPA RIVER NEAR MORRISTOWN, AZ
LOCATION - Lat 33°53'06", long 112°39'41" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 sec.3, T.6 N., R.4 W., Maricopa County, AZ, Hydrologic Unit 15070103, on left bank 600 ft downstream from mouth of San Domingo Wash, 3.0 mi northwest of Morristown, and 6 mi southeast of Wickenburg.
DRAINAGE AREA - 796 mi².
REVISIONS HISTORY - WDR AZ-89-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1938 to June 1947 (continuous-record), water years 1954, 1956, and 1964-81 (annual maximums only), Oct. 1981 to Sept. 1991 (discharge above 500 ft³/s only), and Oct. 1991 to current year (continuous-record).
GAGE - Water-stage recorder. Datum of gage is 1,831.16 ft above sea level. Crest-stage gage at same site and datum water years 1954, 1956, and 1964-81.
REMARKS - Records poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 47,500 ft³/s Sept. 5, 1970, gage height, 19.0 ft, from highwater profile past gage and on basis of slope-area measurement of peak flow; no flow for most of each year.
