Dam Facts

The Corps of Engineers constructed and operates Tuttle Creek Lake, situated in Riley, Pottawatomie and Marshall Counties in northeast Kansas. The dam is located on the Big Blue River, 9 miles upstream from the confluence of the Blue and Kansas Rivers. The dam site is situated five miles north of Manhattan, Kansas, 60 miles west of Topeka, 125 miles west of Kansas City, and 130 miles south of Lincoln, Nebraska.

The dam consists of a rolled earth and rockfill embankment with a gated, concrete chute spillway near the east abutment, and an outlet works with intake tower and gated twin conduits 20 feet in diameter near the west abutment.

Tuttle Creek Dam Pertinent Data

Channel Capacity of Big Blue River Downstream from Dam: 35,000 c.f.s.

Reservoir Data:

Pool	Pool Elev. (ft. m.s.l.)	Area (Acres)	Storage Capacity (Acre-feet)
Sedimentation Pool	1061.0	11,000	179,850
Multipurpose Pool	1075.0	12,350	335,100
Full Pool	1136.0	53,700	2,257,185
Surcharge Pool	1151.4

Elevations

Top of Dam: 1159.0 ft.
Base of Dam (Approximately): 1022.0 ft.
Crest of Spillway: 1116.0 ft.
Top of Spillway Gates: 1136.0 ft.

Dam

Width at Crest: 50 ft.
Maximum Base Width: 1,640 ft.
Height: 157 ft.
Total Length: 7,500 ft.

Spillway:

Type: Gated Chute
Gates (number and type): 18 Tainter
Gates (width and height): 40 x 20 feet
Width between Training Walls: 839 feet
Spillway Peak Discharge: 612,000 c.f.s.

Outlet Works

Type: Gated Conduit
Conduit (number and size): Twin Horseshoe, 20 foot dia.
Conduit Capacity at Full Pool (elev. 1136 feet): 48,500 c.f.s.