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 06894650

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
00010 Temperature, water(Mean,Min.,Max.)  
00060 Discharge(Mean)  
00065 Gage height(Obs.)  
00095 Specific cond at 25C(Mean,Min.,Max.)  
00300 Dissolved oxygen(Mean,Max.,Min.)  
00400 pH(Med.,Min.,Max.)  
63680 Turbidity, Form Neph(Max.,Min.,Mean)  
99133 NO3+NO2,water,insitu(Min.,Max.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

Print this page
USGS Water-Year Summary 2023
LOCATION - Lat 39°07'59.41", long 94°03'51.21" referenced to North American Datum of 1983, in NE 1/4 SW 1/4 sec.13, T.50 N., R.29 W., Lafayette County, MO, Hydrologic Unit 10300101, on right bank of the Missouri River just downstream of the town of Napoleon at U.S. Army Corps of Engineers facility at river mile 328.6.
DRAINAGE AREA - 485,100 mi².
PERIOD OF RECORD - Mar 18, 2009 to current year. Stage only Mar 18, 2009 to Mar 31, 2015.
GAGE - Water-stage recorder. Datum of gage is 680.14 ft. above North American Vertical Datum of 1988.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS MO Water Science Center.  Some regulation from many upstream reservoirs.