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 06913500

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)  
00065 Gage height(Mean)  

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

Print this page
USGS Water-Year Summary 2023
LOCATION - Lat 38°37'05", long 95°16'05" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 NW 1/4 sec.36, T.16 S., R.19 E., Franklin County, KS, Hydrologic Unit 10290101, on right bank at downstream side of Main Street Bridge, on U.S. Highway 59, 1.0 mi downstream of Eightmile Creek, and at mile 398.0.
DRAINAGE AREA - 1,250 mi². approximately.
REVISIONS HISTORY - WSP 1006: 1923, 1927, 1929. WSP 1440: 1904-05, 1922, 1929(M), 1935, 1941-43, 1944-45(M), drainage area.
PERIOD OF RECORD - August 1902 to October 1905, October 1918 to current year. Published as Osage River at Ottawa 1902-05, and as Osage River near Ottawa 1918-47.
GAGE - Water-stage recorder. Datum of gage is 857.68 ft above NGVD of 1929. Aug. 26, 1902, to Oct. 31, 1905, nonrecording gages at Main Street Bridge in Ottawa at different datums. Oct. 27, 1918, to Sept. 4, 1962, water-stage recorder at Seventh Street Bridge, 0.9 mi downstream at datum 0.47 ft higher. Sept. 5, 1962, to Aug. 8, 1971, water-stage recorder at sewage disposal plant at datum 857.68 ft. Aug. 9, 1971, to July 23, 1987, water-stage recorder outside sewage disposal plant at same datum.
REMARKS - Flow regulated since 1973 by Melvern Lake (station 06910997) and since 1964 by Pomona Lake (station 06912490). Many small diversions upstream from station. Satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD - The flood of 1951 is the highest known since Ottawa was settled (about 1864) according to information reported in "Climate of Kansas - 1948." Flood of June 13 or 14, 1844, reached a stage of about 1.5 ft lower than that in 1951 according to same information.