USGS Water-Year Summary 2019
09484580 BARREL CANYON NEAR SONOITA, ARIZ.
LOCATION - Lat 31°51'42", long 110°41'26" referenced to North American Datum of 1927, Pima County, AZ, Hydrologic Unit 15050302, north of Sonoita, AZ.
DRAINAGE AREA - 14.1 mi².
PERIOD OF RECORD - 1962 to 1976 crest-stage, Jan. 2009 to current year.
GAGE - Water-stage recorder. Elevation of gage is 4367 ft above sea level, from topographic map. Prior to 1977, nonrecording gage.
COOPERATION - Department of Agriculture - Forest Service (Coronado National Forest)
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,780 ft³/s, Sept. 9, 2011 at 1820, gage height, 7.47 ft, from flood mark; minimum daily discharge, no flow for much of each year.