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Water-Year Summary for Site 11451290

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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
00054 Reservoir storage(Obs.)  
62614 Elevation, lake/res, NGVD29(Obs.)  

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

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USGS Water-Year Summary 2019
11451290 Indian Valley Reservoir near Clearlake Oaks, CA
LOCATION - Lat 39°04'50", long 122°32'02" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.04, T.14 N., R.6 W., Lake County, CA, Hydrologic Unit 18020116, 8.6 mi northeast of Clearlake Oaks.
DRAINAGE AREA - 120 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 2002 to current year. December 2002 to September 2010, stage only.
GAGE - Water-stage recorder. Datum of gage is 1,500 ft above NGVD of 1929.
REMARKS - Reservoir is formed by earth-fill dam; storage began October 1983. Storage capacity is 300,000 acre-ft. Water is released down North Fork Cache Creek for agricultural use.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 305,000 acre-ft, Apr. 25, 2006, gage height, 1,486.03 ft; minimum contents, 12,200 acre-ft, Dec. 10, 11, 12, 2009, gage height, 1,352.05 ft.
Capacity table (Gage Height in feet and contents in acre-feet)
(Based on table provided by Yolo County Flood Control and Water Conservation District, dated November 1970)
Gage Height  Contents  Gage Height  Contents  Gage Height  Contents  Gage Height  Contents
1,300            16    1,360        18,280    1,420        95,400    1,480       280,800
1,310           190    1,370        25,200    1,430       118,900    1,490       322,000
1,320           995    1,380        34,700    1,440       145,700    1,501       371,000
1,330         2,825    1,390        45,200    1,450       175,300   
1,340         6,185    1,400        59,000    1,460       208,400   
1,350        10,980    1,410        76,000    1,470       243,200