USGS Water-Year Summary 2020
06916600 MARAIS DES CYGNES RIVER NEAR KANSAS-MISSOURI STATE LINE, KS
LOCATION - Lat 38°13'07", long 94°36'46" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 SW 1/4 sec.13, T.21 S., R.25 E., Linn County, KS, Hydrologic Unit 10290102, on left bank 8.5 mi downstream from Big Sugar Creek at the bridge on the Kansas-Missouri State line, and at mile 306.7.
DRAINAGE AREA - 3,250 mi², approximately.
PERIOD OF RECORD - October 1958 to current year.
GAGE - Water-stage recorder. Datum of gage is 745.58 ft above NGVD of 1929. Prior to Jan. 15, 1959, nonrecording gage 6.8 mi downstream at datum 15.62 ft lower. Prior to Nov. 19, 2008 gage located 6.8 mi upstream at same datum. Prior to May 17, 2011, datum of gage 11.48 ft higher.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of July 14, 1951, reached a stage of 41.2 ft, from floodmark, discharge, 148,000 ft³/s, from rating curve extended above 110,000 ft³/s on basis of velocity-area study. Flood of Nov. 18, 1928, reached a stage about 3.7 ft lower, discharge, 106,000 ft³/s.