USGS Water-Year Summary 2022
07159750 COTTONWOOD CREEK NEAR SEWARD, OK
LOCATION - Lat 35°48'49", long 97°28'40" referenced to North American Datum of 1927, in SW 1/4 sec.36, T.16 N., R.3 W., Logan County, OK, Hydrologic Unit 11050002, on down- stream left bank, 1.2 mi north of Seward on Broadway Road, 6.5 mi southwest of Guthrie, and at mile 16.2.
DRAINAGE AREA - 320 mi².
- OK-95-1: 1993(M)
PERIOD OF RECORD - March 1973 to September, 1982, November 1989 to June 2002, November 2015 to current year.
Water-stage recorder. Datum of gage is 928.55 feet above NAVD88 determined by GNSS Level II Survey using Alltera VRS network with RTK Trimble R-10 tried to RM-7 by USGS personnel on 06-24-2020. Prior to 06-24-2020 the datum of the gage was 936.49 ft NGVD of 1929. March 1973 to September 1982 gage at site 0.9 mi upstream at datum 10 ft higher.
EXTREMES FOR PERIOD OF RECORD - The highest computed discharge occurred on May 9, 1993, with a GH of 32.85 feet and discharge of 46,100 cubic feet per second.