USGS Water-Year Summary 2019
02344500 FLINT RIVER NEAR GRIFFIN, GA
LOCATION - Lat 33°14'39", long 84°25'45" referenced to North American Datum of 1983, Spalding County, GA, Hydrologic Unit 03130005, at downstream side of bridge pier on GA 16, 1.5 miles downstream from Shoal Creek, 5.5 miles upstream from Line Creek, 10.0 miles west of Griffin, and at river mile 304.4.
DRAINAGE AREA - 272 mi².
PERIOD OF RECORD -
DISCHARGE: March 1937 to current year.
GAGE HEIGHT: October 1998 to current year.
GAGE - Satellite transmitter with a water-stage recorder. Datum of gage is 711.44 feet above National Geodetic Vertical Datum (NGVD) of 1929 (levels by U.S. Army Corps of Engineers). Prior to August 25, 1938, a non-recording gage was located at present site at a datum 3.00 feet higher. From August 25, 1938, to May 5, 1941, a non-recording gage was located at the site and from May 6, 1941 to August 20, 1959, a water-stage recorder was located at the site. From August 21, 1959 to September 13, 1960, a non-recording gage was located at the site. All gage installations were located at present site and datum.
COOPERATION - Georgia Department of Natural Resources, Environmental Protection Division.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of March 14 or 15, 1929, reached a stage of 17.9 feet, present datum, from flood marks located by local resident, discharge, 15,300 cfs.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 32,500 cfs, from rating curve extended above 18,000 cfs on basis of velocity-area and flow-over-road measurement of peak flow, July 6, 1994; maximum gage height recorded, 24.22 feet, from floodmarks, July 6, 1994; minimum daily discharge, 0.29 cfs, July 2, 1988.
PERIOD OF RECORD - May 10, 2001 to September 30, 2005.
INSTRUMENTATION - Tipping-bucket raingage.