USGS Water-Year Summary 2019
09485450 PANTANO WASH AT BROADWAY BOULEVARD, AT TUCSON, AZ
LOCATION - Lat 32°13'14", long 110°49'44" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.17, T.14 S., R.15 E., Pima County, AZ, Hydrologic Unit 15050302, near right bank on downstream side of eastbound bridge on Broadway Blvd., 4.6 mi upstream from mouth, and 8.3 mi east of intersection with Stone Avenue in Tucson.
DRAINAGE AREA - 599 mi².
- WDR AZ-88-1: 1984(M).
PERIOD OF RECORD - Water years 1979-81, 1984, 1988-90 (annual maximums only), Oct. 1990 to current year.
GAGE - Water-stage recorder. Datum of gage is 2,568.83 ft above sea level.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Aug. 12, 1958, reached a discharge of 20,000 ft³/s at Tanque Verde Road, 2.3 mi downstream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 15,900 ft³/s, July 31, 2006, gage height, 10.34 ft; minimum, no flow for many days each year.