Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins

Water-Year Summary for Site 06918990

Click to hide Water-Year Summary instructions and information
  • 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.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00065 Gage height(Obs.)  

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

Print this page
USGS Water-Year Summary 2023
LOCATION - Lat 37°41'38.8", long 93°46'10.7" referenced to North American Datum of 1983, in SW 1/4 SE 1/4 SE 1/4 sec.10, T.34 N., R.26 W., Cedar County, MO, Hydrologic Unit 10290106, in power house at dam on Sac River, 2 mi east of Stockton.
DRAINAGE AREA - 1,160 mi².
PERIOD OF RECORD - Oct 1969 to current year.
GAGE - Water-stage recorder. Nonrecording gage prior to May 30, 1973. Datum of gage is 0.43 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 rock shell earthfill type dam. Spillway is equipped with 4 tainter gates, 40 ft by 30.5 ft, crest elevation, 861.5 ft. Embankment closed and river diverted on Sep 23, 1968. Gates closed and storage began on Dec 12, 1969; minimum power elevation 830.0 ft reached on May 1, 1970. Gross storage at top of flood control pool is 1,666,659 ac-ft at elevation 892.0 ft, of which 779,550 ac-ft between elevations 867.0 ft and 892.0 ft is used for flood control, and 887,109 ac-ft between elevations 760.0 ft and 867.0 ft is used for multipurpose and power. Sedimentation reserve is 25,000 ac-ft. Lake is used for flood control, power, and recreational purposes.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 1,450,000 acre-ft, Apr 28, 1973, elevation, 885.94 ft; minimum, since initial filling to minimum power pool level, 352,000 acre-ft, Aug 27 to Sep 4, 1970, elevation, 839.60 ft.