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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
07285500 YALOBUSHA RIVER AT GRENADA,MS
LOCATION - Lat 33°47'16", long 89°48'35" referenced to North American Datum of 1983, in SE 1/4 SW 1/4 NE 1/4 sec.07, T.22 N., R.5 E., Grenada County, MS, Hydrologic Unit 08030205, Choctaw Meridian, on downstream left bridge seat of U.S. Highway 51 bridge.
DRAINAGE AREA - 1,550 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - February 1989 to current year. July l, 1929, to date, stage data available; February 1929 to date, measured discharge available; and December 1, 1931, to June 30, 1953, daily discharge available in U.S. Army Corps of Engineers records. Prior to October 1, 1992, published as "07285510 Yalobusha River at Grenada, MS."
GAGE -
Water-stage recorder. Datum of gage is 152.14 ft above NAVD of 1988, (Reference Frame NAD_83 (2011) (EPOCH:2010.0000) (GEOID18).
Prior to April 04, 2023 the datum of gage was 152.03 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to June 23, 1993, water-stage recorder at site 0.5 mi downstream at datum 3.35 ft lower.
REMARKS - Records good, except for estimated daily discharges which are poor. Regulated by Grenada Lake Spillway since January 1954. Satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Feb. 14, 1948, reached an elevation of 182.81 ft above sea level at site 2600 ft upstream, discharge 78,900 ft³/s from records of U.S. Army Corps of Engineers.
