USGS Water-Year Summary 2022
09386030 LITTLE COLORADO RIVER ABOVE ZION RESERVOIR, NEAR ST. JOHNS, AZ
LOCATION - Lat 34°35'01", long 109°24'23" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.30, T.14 N., R.28 E., Apache County, AZ, Hydrologic Unit 15020002, on downstream side of center pier of bridge on private road, 1.5 mi upstream from Carrizo Creek, 4 mi upstream from Zion Reservoir, and 5.8 mi northwest of St. Johns.
DRAINAGE AREA - 1,007 mi² of which 250 mi² probably is noncontributing.
REVISIONS HISTORY - WDR AZ-88-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1975 to current year.
GAGE - Water-stage recorder. Elevation of gage is 5,560 ft above sea level, from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 590 ft³/s July 31, 1994, gage height, 4.16 ft; minimum daily, no flow on many days in water years after 2001.