USGS Water-Year Summary 2021
09470750 RAMSEY CANYON NEAR SIERRA VISTA, AZ
LOCATION - Lat 31°26'48", long 110°18'21" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 NW 1/4 sec.10, T.23 S., R.20 E., Cochise County, AZ, Hydrologic Unit 15050202, on right bank, 3 mi southwest of the city of Sierra Vista, on property owned by The Nature Conservancy (520-378-2785) and surrounded by the Coronado National Forest, approximately 8.7 mi upstream from the confluence of the San Pedro River.
DRAINAGE AREA - 4.11 mi².
PERIOD OF RECORD - May 2000 to current year. Published as "near Nicksville, AZ" prior to October 2000.
GAGE - Water-stage recorder, crest stage gage, and V-notch sharp-crested weir. Elevation of gage is 5,525 ft above sea level from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 117 ft³/s Oct. 22, 2000, gage height 3.44 ft; no flow at times.