USGS Water-Year Summary 2021
02315000 SUWANNEE RIVER NEAR BENTON, FL
LOCATION - Lat 30°30'26", long 82°42'59" referenced to North American Datum of 1927, in NE 1/4 sec.09, T.1 N., R.16 E., Columbia County, FL, Hydrologic Unit 03110201, near left bank on downstream side of bridge on State Highway 6, 3.7 mi northwest of Benton, 6.4 mi south of Florida-Georgia State Line, 13.7 mi east of Jasper, and 196 mi upstream from mouth.
DRAINAGE AREA - 2,090 mi², approximately, includes part of watershed in Okefenokee Swamp, which is indeterminate.
PERIOD OF RECORD - Miscellaneous discharge measurements for some periods July 1934 to September 1975. Records for December 1931 to June 1934 at site 2.0 mi upstream (at Turner Bridge) not equivalent owing to difference in drainage areas. October 1975 to September 2002 and July 2009 to current year.
GAGE - Water-stage recorder and data-collection platform. Datum of gage is National Geodetic Vertical Datum of 1929. Oct. 1, 1975 to Oct. 14, 1986, non recording gage at same site and datum. Dec. 8, 1931 to June 30, 1934, non recording gage at site 2.0 mi upstream at unknown datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge measured, 27,700 ft³/s Apr. 6, 1973, gage height, 102.80 ft.