USGS Water-Year Summary 2024
03571000 SEQUATCHIE RIVER NEAR WHITWELL, TN
LOCATION - Lat 35°12'23.42", long 85°29'49.68" referenced to North American Datum of 1927, Marion County, TN, Hydrologic Unit 06020004, on upstream side of Teague Road bridge, 1.5 mi. east of Whitwell, 3.0 mi. upstream of State Highway 283, 4.5 mi. downstream from Griffith Creek, and at river mile 25.1. Site located on Ketner Gap 7.5-min. quadrangle.
DRAINAGE AREA - 402 mi² of which 18 mi² probably is noncontributing.
REVISIONS HISTORY - WSP 603: 1922(M). WSP 758: 1929(M). WSP 1033: 1943(M). WSP 1386: 1921-22, 1923-25(M), 1927-28(M), 1930(M), 1933(M). WSP 1910: Drainage area. WDR TN-76-1: 1973-75(P).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1920 to Sept. 1994; Oct. 1, 2001 to Sept. 30, 2008; Oct. 1, 2009 to present. Prior to December 1920, monthly discharges only, published in WSP 1306. Unadjusted gage height values for missing periods available from TVA.
GAGE - Data collection platform. Datum of gage is 632.605 ft above NAVD of 1988. Prior to Sept. 18, 1927, nonrecording gage at same datum 0.03 ft higher. Sept. 18, 1927 to Sept. 30, 1930, nonrecording gage at bridge 15 ft upstream at present datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of March 1867 reached a stage of about 19 ft from TVA reports.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge 35,400 ft³/s, maximum gage height, 18.02 ft, December 23, 1990; minimum discharge 16 ft³/s, September 6-21, 27, 28, 1925.