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Water-Year Summary for Site 06921325

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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Available Parameters
00065 Gage height(Obs.)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 37°54'10.8", long 93°19'01.4" referenced to North American Datum of 1983, in NE 1/4 sec.2, T.36 N., R.22 W., Hickory County, MO, Hydrologic Unit 10290107, in intake tower at dam on Pomme de Terre River, 3.0 mi southwest of Hermitage.
DRAINAGE AREA - 611 mi².
PERIOD OF RECORD - Jun 1960 to current year.
GAGE - Water-stage recorder. Nonrecording gage prior to Nov 9, 1961. Datum of gage is 0.59 ft above North American Vertical Datum of 1988 (U.S. Army Corps of Engineers).
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS MO Water Science Center.   Lake is formed by a earthfill embankment with a concrete gravity section-type dam. Closure operation began on Jun 28, 1960; conservation pool level reached Jun 15, 1963. Capacity at top of flood control pool, 648,700 acre-ft at elevation 874.0 ft, crest of spillway, of which 407,200 acre-ft between elevations 839.0 ft and 874.0 ft is used for flood control, and 228,700 acre-ft between elevation 783.0 ft and 839.0 ft is used for conservation and 12,840 acre-ft below elevation 783.0 ft is sediment storage. Lake is used for flood control and recreational purposes.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 506,000 acre-ft, Sep 27, 1993, elevation, 864.58 ft; minimum contents, since initial filling to conservation pool level, 200,000 acre-ft, Oct 31, Nov 1, 2010, elevation, 833.88 ft.