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Water-Year Summary for Site USGS 03539800

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2020
03539800 OBED RIVER NEAR LANCING, TN
LOCATION - Lat 36°04'53.11", long 84°40'13.33" referenced to North American Datum of 1927, Morgan County, TN, Hydrologic Unit 06010208, on left bank at Alley Ford, 2.9 mi southwest of Lancing, 3.0 mi downstream from Clear Creek, and at mile 1.5.
DRAINAGE AREA - 518 mi².
REVISIONS HISTORY - Daily value Jan. 25, 1979 reported as 23,000 ft³/s changed to 2,300 ft³/s as determined by review of past daily values.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1956 to September 1968, March 1973 to December 1987, March 1999 to current year. Prior to May 1957 monthly discharge only, published in WSP 1726.
GAGE - Data collection platform. Datum of gage is 891.539 ft above NAVD of 1988.
REMARKS - Records fair except for estimated daily discharges which are poor and other periods as noted.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood on Mar. 23, 1929, reached a stage of 33.9 ft, 35 ft downstream from gage, from high water marks by Tennessee Valley Authority.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 105,000 ft³/s, May 27, 1973, from rating curve extended above 33,000 ft³/s on basis of slope conveyance study at gage height 22.40 ft, and slope-area measurement of peak flow, maximum gage height, 29.51 ft, from dross line in gage well, 30.5 ft from floodmarks; minimum discharge, 0.40 ft³/s, Oct. 31, 1963.