USGS Water-Year Summary 2019
07064000 BLACK RIVER NEAR CORNING, AR
LOCATION - Lat 36°24'07", long 90°32'29" referenced to North American Datum of 1983, in SW 1/4 NE 1/4 sec.04, T.20 N., R.5 E., Clay County, AR, Hydrologic Unit 11010007, near left bank on downstream side of bridge on U.S. Hwy 62, 2.2 mi east of Corning, 11.9 mi downstream from Cane Creek, and at river mile 152.2.
DRAINAGE AREA - 1,750 mi².
PERIOD OF RECORD - Oct 1938 to Mar 1996 and Sep 1998 to current year. Annual maximum water years 1996 to 1998. Gage height records collected Jan 1925 to Dec 1929 at site 7.0 mi downstream are contained in reports of National Weather Service.
GAGE - Water-stage recorder. Datum of gage is 272.90 ft above NGVD of 1929. Prior to Nov 1953, nonrecording gage, and Nov 1953 to Oct 1957, water-stage recorder, at site 30 ft downstream at present datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Apr 18, 1927, reached a stage of 14.4 ft, from records of U.S. Army Corps of Engineers.
EXTREMES FOR PERIOD PRIOR TO REGULATION - Annual mean prior to regulation, water years 1939 to 1947, 1,741 ft³/s. Maximum discharge for period of record, 48,600 ft³/s, Jun 13, 1945. Maximum gage height for period of record, 16.92 ft, Jun 13, 1945.