USGS Water-Year Summary 2020
02430680 TWENTYMILE CREEK NEAR GUNTOWN, MS
LOCATION - Lat 34°27'10", long 88°34'38" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 sec.21, T.7 S., R.7 E., Lee County, MS, Hydrologic Unit 03160101, Chickasaw Meridian, on downstream side of bridge on county road 2578, and 6.0 mi southeast of Baldwyn, and 6.0 mi east of Guntown.
DRAINAGE AREA - 131 mi².
PERIOD OF RECORD - October 1982 to current year. September 1964 to January 1975, discharge measurements only, and February 1975 to June 1977, discharge measurements and gage-height record only, in files of U. S. Army Corps of Engineers. July 1977 to September 1982, gage-height records only, in files of U.S. Geological Survey.
GAGE - Water-stage recorder and sharp-crested weir since November, 1982. Datum of gage is 280.00 ft above NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD
Maximum instantaneous discharge--41,500 cfs on 05/27/1991
Maximum instantaneous gage height--30.88 feet on 05/27/2018
Minimum daily discharge--0.00 cfs on 08/19/1988