USGS Water-Year Summary 2024
09457000 SAN SIMON RIVER NEAR SOLOMON, AZ
LOCATION - Lat 32°48'06", long 109°38'19" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.25, T.7 S., R.26 E., Graham County, AZ, Hydrologic Unit 15040006,
DRAINAGE AREA - 2,192 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Data collection began in June 1931 and ended Sept. 1932. May 1935 to Sept. 1982
Jul. 12, 2021 to present: Station was re-established on Jul. 12, 2021, using a pressure sensor, and Sutron Sat3 DCP in a 24x30x30-inch metal enclosure atop existing stilling well structure.
GAGE - Water-stage recorder. Elevation of gage is 2,982 ft above sea level, from NAVD 88.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 27,000 cfs Aug. 09, 1931, gage height 19.00 ft, by slope area measurement of peak flow.