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Water-Year Summary for Site 05473450

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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
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2020
05473450 Big Creek North of Mount Pleasant, IA
LOCATION - Lat 41°00'25", long 91°33'05" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 SE 1/4 sec.28, T.72 N., R.6 W., Henry County, IA, Hydrologic Unit 07080107, on right bank 20 ft upstream from bridge on Old U.S. Highway 218 (business route), 2.0 mi north of Mount Pleasant, 1.6 mi upstream from Brandy Wine Creek, 2.3 mi upstream from Lynn Creek, and 27.4 mi upstream from mouth.
DRAINAGE AREA - 58 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Occasional low-flow measurements, water years 1957-1977; discharge records from October 1997 to current year. Prior to October 2008, published as "near Mt. Pleasant".
GAGE - Water-stage recorder. Datum of gage is 643.00 ft above National Geodetic Vertical Datum of 1929.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IA Water Science Center.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of April 21, 1973, discharge 9,580 ft³/s, on basis of contracted-opening measurement.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water year 2008.