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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
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USGS Water-Year Summary 2024
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. Datum of gage is 5570.174 ft above NAVD of 1988
REMARKS - Records fair. Diversions above station for irrigation of about 10,200 acres, including 1,500 acres served by Lyman Canal. Regulation by many reservoirs above station (combined capacity, 46,900 acre-ft), the largest of which is Lyman Lake. Records do not include flow bypassing the station through an abandoned irrigation ditch during higher stages.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,390 ft³/s July 24, 2021, gage height, 8.75 ft; minimum daily, no flow on many days in water years after 2001.
