USGS Water-Year Summary 2024
06878000 CHAPMAN CREEK NEAR CHAPMAN, KS
LOCATION - Lat 39°01'52", long 97°02'24" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 SE 1/4 sec.01, T.12 S., R.3 E., Dickinson County, KS, Hydrologic Unit 10260008, on right bank at downstream side of bridge on Kansas Highway 18, 5.0 mi northwest of Chapman, and at mile 10.0.
DRAINAGE AREA - 300 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 1953 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,102.41 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to May 5, 1959, nonrecording gage at same site and datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in July 1951 reached a stage of 25.5 ft, from floodmarks, discharge, 46,700 ft³/s, from rating curve extended above 12,000 ft³/s on basis of contracted-opening measurement of peak flow.