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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
023177483 WITHLACOOCHEE RIVER AT MCMILLAN ROAD, NEAR BEMISS, GA
LOCATION - Lat 30°56'56.7", long 83°16'18.6" referenced to North American Datum of 1983, Lowndes County, GA, Hydrologic Unit 03110203, on downstream side of bridge pier on McMillan Road, 2.3 miles downstream from Cat Creek, and 3.0 miles northwest of Bemiss.
DRAINAGE AREA - 502 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: Water years 1977-1986 (Annual Maximum). June 1988 to September 2017 (published as station 023177483 Withlacoochee River at McMillan Road, near Bemiss, GA).October 2017 to current year.
GAGE-HEIGHT: October 1993 to September 2017 (published as station 023177483 Withlacoochee River at McMillan Road, near Bemiss, GA). October 2017 to current year.
DISCHARGE: Water years 1977-1986 (Annual Maximum). June 1988 to September 2017 (published as station 023177483 Withlacoochee River at McMillan Road, near Bemiss, GA).October 2017 to current year.
GAGE-HEIGHT: October 1993 to September 2017 (published as station 023177483 Withlacoochee River at McMillan Road, near Bemiss, GA). October 2017 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 120.59 feet above the North American Vertical Datum (NAVD) of 1988 (leveling by Global Positioning System equipment).
COOPERATION - City of Valdosta.
REMARKS - Gage-height records are generally good. Discharge records are generally fair except for estimated discharges, which are poor. Additional details on the accuracy of the records can be obtained by contacting the USGS South Atlantic Water Science Center at gs-w-ga_nwisweb_data_inquiries@usgs.gov.
EXTREMES OUTSIDE PERIOD OF RECORD - Discharge estimated at 37,500 cfs on April 4, 1948.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 26,200 cfs, April 4, 2009; maximum gage-height recorded, 25.66 feet, April 4, 2009; minimum daily discharge, 0.10 cfs, September 10, 2002.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - May 2004 to September 2010, May 2012 to current year.
INSTRUMENTATION - Tipping-bucket raingage.
