USGS Water-Year Summary 2021
03597860 DUCK RIVER AT SHELBYVILLE, TN
LOCATION - Lat 35°28'58.18", long 86°27'45.37" referenced to North American Datum of 1927, Bedford County, TN, Hydrologic Unit 06040002, on right bank 125 ft upstream from U.S. Highway 231 bridge, one block west of the southwest corner of the public square, and at mile 221.4.
DRAINAGE AREA - 425 mi².
PERIOD OF RECORD - October 1991 to current year, discharge for gage height of 11.31 ft and below only. Continuous stage records were collected by Tennessee Valley Authority from December 1981 to September 1991.
GAGE - Data collection platform and crest-stage gage. Datum of gage is 679.998 ft. NAVD 1988. Prior to Oct. 10, 1991 at datum 10.00 ft higher. Discharge data computed for gage heights up to 11.31 ft.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, not determined; maximum gage height, 40.53 ft, May 7, 2003; minimum discharge, 90 ft³/s, May 22, 2008; minimum daily discharge, 101 ft³/s, May 5, 6, and 23, 2008.
PERIOD OF RECORD - Tipping bucket precipitation gage from October, 2008 to June, 2014.