Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins

Water-Year Summary for Site 05378500

Click to hide Water-Year Summary instructions and information
  • 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.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
Print this page
USGS Water-Year Summary 2023
05378500 MISSISSIPPI RIVER AT WINONA, MN
LOCATION - Lat 44°03'20", long 91°38'15" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 sec.23, T.107 N., R.7 W., Winona County, MN, Hydrologic Unit 07040003, on right bank at Winona pumping station in Winona, 9.5 mi upstream from Trempealeau River, and at mile 725.7 upstream from the Ohio River.
DRAINAGE AREA - 59,200 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1928 to September 2012, April to July, 2013, daily-mean discharge record discontinued. Gage-height records collected in this vicinity since 1878 are contained in reports of Mississippi River Commission.
GAGE - Water-stage recorder. Datum of gage is 639.64 ft above sea level (NGVD of 1929). June 10,1928 to Apr. 15, 1931, non-recording gage at site 800 ft upstream. Prior to Oct. 1, 1929, at datum 0.20 ft higher and Oct. 1, 1929 to Apr. 15, 1931, at datum 0.12 ft lower. Apr. 16, 1931 to Nov. 12, 1934, non-recording gage at present site and datum. Since Mar. 31, 1937, auxiliary water-stage recorder 2.7 mi upstream at tailwater of navigation dam 5A.
REMARKS - Records are good. Some regulation by reservoirs, navigation dams, and power plants at low and medium stages.
EXTREMES FOR PERIOD OF RECORD - Minimum gage height, -3.38 ft, Aug. 31, 1934 (prior to dam construction in 1936); minimum gage height since 1938, after completion of dam, 1.95 ft, Jan. 27, 1944.
WATER-QUALITY RECORDS
COOPERATION - Minnesota Pollution Control Agency; St. Cloud State University; USGS National Research Program.
REMARKS - The Mississippi River Longitudinal Study is an integrated chemical and biological investigation of stream-bed sediment and multiple fish species at approximately 41 sites along the Mississippi River from Bemidji, Minn. to Winona, Minn. during June and July, 2006. The objective of this integrated chemical and biological study is to determine concentrations of selected compounds in stream-bed sediment. Stream-bed sediment samples were collected and analyzed using established USGS techniques.