USGS Water-Year Summary 2024
06913500 MARAIS DES CYGNES RIVER NEAR OTTAWA, KS
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.
SURFACE-WATER RECORDS
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.
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.