USGS Water-Year Summary 2020
07056000 BUFFALO RIVER NEAR ST. JOE, AR
LOCATION - Lat 35°58'59", long 92°44'50" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 sec.36, T.16 N., R.17 W., Searcy County, AR, Hydrologic Unit 11010005, near right bank on downstream side of bridge on U.S. Hwy 65, 1.2 mi downstream from Mill Creek, 4.0 mi upstream from Bear Creek, 4.5 mi southeast of St. Joe, and at river mile 58.3.
DRAINAGE AREA - 829 mi².
- WSP 1211: 1945 (M), 1949 (M). WDR Arkansas 1973: Drainage area.
PERIOD OF RECORD - Oct 1939 to current year.
GAGE - Water-stage recorder. Datum of gage is 560.35 ft above NGVD of 1929. Prior to Mar 1, 1940, nonrecording gage at present site and datum. Prior to Nov 6, 1990, at site 300 ft downstream at same datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage, 50.5 ft in Aug 1915, from information by U.S. Army Corps of Engineers.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge 158,000 ft³/s Dec 3, 1982 from rating curve extended above 91,000 ft³/s