USGS Water-Year Summary 2023
06886900 TUTTLE CREEK LAKE NEAR MANHATTAN, KS
LOCATION - Lat 39°15'16", long 96°36'08" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 NW 1/4 sec.24, T.9 S., R.7 E., Pottawatomie County, KS, Hydrologic Unit 10270205, on Big Blue River, near right end of dam, 5.0 mi north of Manhattan, and at mile 10.0.
DRAINAGE AREA - 9,628 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - March to April 1960, March 1962 to current year. Prior to October 1968, published as "Tuttle Creek Reservoir near Randolph." October 1968 to September 1971 published as "Tuttle Creek Reservoir near Manhattan."
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to July 1, 1968, at site 19.8 mi upstream at same datum.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 1,137.76 ft, July 22, 1993, contents, 2,423,000 acre-ft; minimum elevation since conservation pool was first reached, 1,060.82 ft, Jan. 4, 1967, contents, 231,000 acre-ft.