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Water-Year Summary for Site 03470000

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Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 35°52'42", long 83°34'40" referenced to North American Datum of 1927, Sevier County, TN, Hydrologic Unit 06010107, on left bank downstream of West Prong of Little Pigeon River, 0.6 miles downstream of bridge on State Highway 66 at Sevierville, Sevier County, and at river mile 4.4.
DRAINAGE AREA - 353 mi².
REVISIONS HISTORY - WSP 783: 1921-34. WSP 1336: 1921(M), 1922, 1923(m), WRD TN 1972: 1969(M), 1970(M), 1971(P)
PERIOD OF RECORD - Oct. 1920 to Feb. 1982, Apr. 1, 2012 to current year. Prior to Nov. 1920 monthly discharge only, published in WSP 1306.
GAGE - Water stage recorder. Datum of gage is 878.99 ft NAVD88. Nov. 23, 1920 to June 13, 1928, non-recording gage and June 14, 1928 to June 1, 1966; water stage recorder, at site 0.1 mi. upstream at datum 1.99 ft higher. June 2, 1966 to June 5, 1967, at site 1.5 mi. downstream at datum 7.31 ft lower.
REMARKS - Records fair, except for estimated discharges which are considered poor and other periods as noted. Record for February 19, 2021 to August 9, 2021 is rated good. Some regulation at low flow caused by small mills above station prior to 1967. During the period April 1966 to July 1967 Tennessee Valley Authority constructed a flood-control project for the town of Sevierville, widening and deepening Little Pigeon River through the town and 1.8 mi. downstream, and relocating the lower portion of West Prong Little Pigeon River. The present gage is located on the new dredged channel.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Feb. 25, 1875 reached a stage of 18 ft, discharge, 55,000 ft³/s; that of Apr. 1, 1896, 16.8 ft, discharge, 46,000 ft³/s ; and that of Mar. 7, 1867, 16.5 ft., discharge, 43,000 ft³/s, all at site .1 mi. upstream, from reports of Tennessee Valley Authority.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 41,000 ft³/s Mar. 26, 1965, gage height, 16.09 ft at site and datum then in use; minimum, 2.8 ft³/s Sept. 21, 1925; minimum gage height, 0.08 ft Dec. 23, 1965, at site and datum then in use; minimum daily discharge, 8.4 ft³/s, Sept. 9, 1925.
COOPERATION - Gage is operated in cooperation with Tennessee Valley Authority.