USGS Water-Year Summary 2020
02483000 TUSCOLAMETA CREEK AT WALNUT GROVE, MS
LOCATION - Lat 32°35'18", long 89°27'54" referenced to North American Datum of 1983, in NE 1/4 NW 1/4 sec.34, T.9 N., R.8 E., Leake County, MS, Hydrologic Unit 03180001, Choctaw Meridian, on left bank at downstream side of bridge 122.9 on State Highway 35, over north drainage canal, 1 mi south of city limits of Walnut Grove, 0.6 mi upstream from Illinois Central and Gulf Railroad bridge, 7.5 mi upstream from junction of north and south drainage canals, and 15.5 mi upstream from mouth.
DRAINAGE AREA - 411 mi². combined drainage area for all channels.
- WSP 1002: 1943. WSP 1504: 1939-40, 1943-44(M). WDR MS-92: 1983-1984.
PERIOD OF RECORD - October 1938 to current year. Monthly discharge only for October to December 1938, published in WSP 1304. Daily mean gage heights published since October 1971.
GAGE - Water-stage recorder. Datum of gages is 322.70 ft above NGVD of 1929 (levels by U. S. Army Corps of Engineers). Prior to June 18, 1939, a nonrecording gage, and from June 18, 1939 to July 13, 1953, water-stage recorder and nonrecording gage, at site 0.2 mi upstream at same datum. Water-stage recorder, on south canal right bank at upstream side of bridge on State Highway 35, 1 mi south of north canal gage. Prior to Nov. 24, 1943, nonrecording gage and Nov. 24,1943 to Oct. 21, 1959, water-stage recorder, on south canal at site 1,800 ft downstream, at same datum through October 29, 2014. Prior to Oct. 1, 1971, at datum 10.00 ft higher.
EXTREMES OUTSIDE PERIOD OF RECORD - Prior to canalization, creek reached a stage of 34.5 ft present datum, from floodmark, believed to be flood of April 1900.
PERIOD OF RECORD -
Specific Conductance: January 1965 to April 1968.