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Water-Year Summary for Site 06610505

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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.
  • 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.
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Available Parameters
00010 Temperature, water(Mean)  
00095 Specific cond at 25C(Mean)  
00300 Dissolved oxygen(Mean)  
00400 pH(Med.)  
63680 Turbidity, Form Neph(Mean)  
72213 Turbidity, 90&0-45 d(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
06610505 Missouri River near Council Bluffs, IA
LOCATION - Lat 41°11'21", long 95°51'45" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 SE 1/4 sec.23, T.74 N., R.44 W., Pottawattamie County, IA, Hydrologic Unit 10230006, on left bank near Lake Manawa State Park access road, at south edge of Council Bluffs, 0.6 mi downstream from Indian Creek, 1.5 mi upstream from Mosquito Creek, and 607.5 mi upstream from mouth.
DRAINAGE AREA - 322,840 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Stage-only records from October 2006 to September 2009.
GAGE - Water-stage recorder. Datum of gage is 944.09 ft above National Geodetic Vertical Datum of 1929.
REMARKS - Records good.
EXTREMES FOR PERIOD OF RECORD - Maximum instantaneous gage height, 26.56 ft, June 12, 2008; minimum instantaneous gage height, 6.36 ft, December 18, 2008.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 2012 to current year.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: March 2006 to November 2009, July 2012 to current year, records fragmentary.
WATER TEMPERATURE: March 2006 to November 2009, July 2012 to current year, records fragmentary.
DISSOLVED OXYGEN: March 2006 to November 2009, July 2012 to current year, records fragmentary.
pH: March 2006 to November 2008, July 2012 to current year, records fragmentary.
TURBIDITY: March 2006 to November 2009, July 2012 to current year, records fragmentary.
INSTRUMENTATION - Deployment of a continuous water-quality monitor. Measured parameters include water temperature, specific conductance, pH, dissolved oxygen, and turbidity. Turbidity measurements conform to ISO 7027 standards and were made using a Yellow Springs International (YSI) 6136 sensor. Dissolved oxygen data were collected using a luminescent sensor.