USGS Water-Year Summary 2020
09383400 LITTLE COLORADO RIVER AT GREER, ARIZ.
LOCATION - Lat 34°01'00", long 109°27'24" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.11, T.7 N., R.27 E., Apache County, AZ, Hydrologic Unit 15020001, on upstream right side of culverts on State Highway 373, 0.1 mile downstream from the Filler Ditch Diversion.
DRAINAGE AREA - 29.1 mi².
PERIOD OF RECORD - August 1960 by USGS. Moved to present site on Nov. 5 1970. First used as a USGS water quality site in 1976. Discontinued as a continuous discharge site on September 30, 1982, then discontinued as a QW site on September 1988. Reestablished as a USGS continuous discharge measuring site on May 27, 2008.
GAGE - Water-stage recorder, CBS, Inside staff gage, outside staff gage, rain gage. Elevation of gage is 8283 ft.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 16,000 ft³/s July 25, 1940, gage height, 17.1 ft, datum then in use, from floodmarks, by
slope-area measurement of peak flow and reservoir inflow studies; maximum gage height, 18.6 ft, Sept. 12, 1975, at previous site (from graph recorded to 18.4 ft); minimum, no flow at times.