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Water-Year Summary for Site 05420500

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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
00010 Temperature, water(Mean)  
00010 Temperature, water(Mean)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Mean)  
00300 Dissolved oxygen(Mean)  
00301 Diss oxygen,%saturtn(Mean)  
00400 pH(Med.)  
32295 fDOM, water, in situ(Mean)  
63680 Turbidity, Form Neph(Mean)  
83554 NO3+NO2, w, total(Mean)  
99133 NO3+NO2,water,insitu(Mean) [Nitratax Sensor]  
99133 NO3+NO2,water,insitu(Mean) [SUNA Sensor]  

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

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USGS Water-Year Summary 2019
05420500 Mississippi River at Clinton, IA
LOCATION - Lat 41°46'50", long 90°15'07" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 NW 1/4 sec.34, T.81 N., R.6 E., Clinton County, IA, Hydrologic Unit 07080101, on right bank near end of 8th Avenue in Camanche, 5.0 mi upstream from Wapsipinicon River, 6.4 mi downstream from Clinton, 10.6 mi downstream from Lock and Dam 13, and 511.8 mi upstream from Ohio River. The Real-Time Water Quality Gage, Lat 41°52'44.688", long 90°10'20.3514" is located 1 mile upstream of the Highway 136 bridge, where the NASQAN water quality sampling occurs.
DRAINAGE AREA - 85,600 mi².
REVISIONS HISTORY - WDR IA-75-1: 1974.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records from June to August 1873 (fragmentary), October 1873 to current year. October 1932 to September 1939, published as "at Le Claire". June 1873 to December 1932, published in the Iowa State Planning Board report "Stream-flow records of Iowa, 1873-1932".
GAGE - Water-stage recorder. Datum of gage is 562.68 ft above National Geodetic Vertical Datum of 1929. June 1873 to May 31, 1934, non-recording gage, and June 1, 1934, to September 30, 1939, water-stage recorder, both at site 14.8 mi downstream at Le Claire at datum 0.07 ft lower; October 1, 1939, to September 30, 1955, water-stage recorder at site 10.6 mi upstream at Lock and Dam 13 at datum 5.48 ft higher; October 1, 1955, to June 5, 1969, water-stage recorder at same site and datum; June 6, 1969, to September 16, 1988, water-stage recorder at site 400 ft upstream at same datum; since October 1, 1958, auxiliary water-stage recorder at site 10.6 mi upstream at Lock and Dam 13 at datum 5.48 ft higher.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IA Water Science Center.
EXTREMES OUTSIDE PERIOD OF RECORD - Since at least 1828, no flood outside the period of record exceeded the April 28, 1965, stage of 24.65 ft.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1975-1987, 1995 to current year.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Daily instantaneous values, July 1975 to September 1976, October 1978 to September 1979, October 1979 to September 1981. Daily instantaneous values collected in conjunction with suspended-sediment samples, October 1994 to September 1997, records fragmentary.
WATER TEMPERATURE: Daily instantaneous values, July 1975 to September 1976, October 1980 to September 1981. Daily instantaneous values collected in conjunction with suspended-sediment samples, January 1995 to September 1997, records fragmentary. Daily minimum/mean/maximum, October 1977 to September 1978. Daily minimum/maximum, October 1978 to September 1980, October 1981 to September 1986, records fragmentary. Daily mean, July 2012 to current year.
SUSPENDED-SEDIMENT CONCENTRATION AND DISCHARGE: October 1994 to September 1997. NITRATE + NITRITE: March 2015 to current year, records fragmentary.