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Water-Year Summary for Site 05482315

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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
00065 Gage height(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
05482315 Black Hawk Lake at Lake View, IA
LOCATION - Lat 42°18'14", long 95°02'29" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 NE 1/4 sec.33, T.87 N., R.36 W., Sac County, IA, Hydrologic Unit 07100006, on south shore across from swimming beach in Lake View, and 2.0 mi upstream from lake outlet.
DRAINAGE AREA - 23.3 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Stage-only records from April 1970 to September 1975, April 1978 to September 1992, October 1994 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,213.86 ft. above NAVD of 1988 and 7.00 ft below crest of spillway of dam at outlet. Prior to June 25, 1970, non-recording gage at lake outlet. Prior to January 22, 2001, at datum 5.0 ft higher.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IA Water Science Center. Lake is formed by concrete dam with ungated overflow spillway at elevation 1,220.50 ft above National Geodetic Vertical Datum of 1929. Lake is used for conservation and recreation. Area of lake is approximately 957 acres.