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 06911000

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 2022: 2021-10-01 to 2022-09-30

Print this page
USGS Water-Year Summary 2022
LOCATION - Lat 38°30'58", long 95°41'46" referenced to North American Datum of 1983, in NE 1/4 SW 1/4 NE 1/4 sec.01, T.18 S., R.15 E., Osage County, KS, Hydrologic Unit 10290101, on left bank of downstream side of bridge on US 75 highway, 0.7 mi downstream of the Melvern Lake spillway, and at mile 447.0.
DRAINAGE AREA - 351 mi².
REVISIONS HISTORY - WSP 1340: 1940, 1946, 1950(P).
PERIOD OF RECORD - September 1939 to September 1974. October 2013 to current year. Prior to October 1948, published as Osage River at Melvern.
GAGE - Water-stage recorder. Datum of gage is 947.65 ft above NGVD of 1929. Sept. 16, 1939, to Apr. 8, 1958, nonrecording gage and Apr. 9, 1958, to Aug. 25, 1963, water-stage recorder, at site 4.4 mi downstream at datum 8.54 ft lower.
REMARKS - Satellite telemeter at station. Since August 1972, flow completely regulated by Melvern Lake (see sta 06910997).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 68,500 ft³/s July 11, 1951, gage height, 30.8 ft, from floodmarks, site and datum then in use, from rating curve extended above 19,000 ft³/s on basis of contracted-opening measurement of peak flow.