USGS Water-Year Summary 2021
02484000 YOCKANOOKANY RIVER NEAR KOSCIUSKO, MS
LOCATION - Lat 33°01'56", long 89°34'40" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 sec.33, T.14 N., R.7 E., Attala County, MS, Hydrologic Unit 03180001, Choctaw Meridian, on left bank at downstream side of bridge on State Highway 35, 2.0 mi south of Kosciusko.
DRAINAGE AREA - 303 mi².
- WSP 1504: 1946. WDR MS-80-1: Drainage area.
PERIOD OF RECORD - August 1938 to current year. Prior to October 1947, published as Yokahockany River near Kosciusko.
GAGE - Water-stage recorder. Datum of gage is above 374.34 ft above NGVD of 1929, (levels by U. S. Army Corps of Engineers). Prior to Mar. 28, 1939, nonrecording gage at same site and datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in December 1932 reached a stage of about 17 ft, from information by U. S. Army Corps of Engineers.