Konawa Lake Dam (Konawa Lake)

Field Descriptions

Dam Name: Konawa Lake
Former Name: KONAWA LAKE
NID ID: OK02350
Longitude: -96.7017
Latitude: 34.9617
County: SEMINOLE
River: JUMPER CREEK
State: OK
Nearest City: FRANCIS
Distance: 10.00 miles
Owner Name: OKLAHOMA GAS & ELECTRIC
Owner Type: Public Utility
Dam Designer: OG&E;
Private Dam? No
Dam Type: Earth
Core: Homogeneous Dam (Position)
Earth (Type)
Estimated (Certainty)
Foundation: SZ
Purposes: Other
Year Completed: 1968
Dam Length: 3400 feet
Dam Height: 61 feet
Structural Height: 61 feet
Hydraulic Height: 61 feet
Maximum Discharge: 29773 cu ft/sec
Maximum Storage: 41000 acre-feet
Normal Storage: 23000 acre-feet
Surface Area: 1350 acres
Hazard Potential: Significant
Emergency Action Plan? Not Required By Submitting Agency
Inspection Date: 2009-10-20
Inspection Frequency: 3
State Regulated Dam? Yes
State Regulating Agency: OWRB
Spillway Type: Controlled
Spillway Width: 4 feet
Outlet Gates: V: 1;
Source Agency:

Dam Safety For Boats

A large amount of water can be released from a dam without any warning at any time and by any means. For example, when the demand for electricity is high, the turbines at a dam may be turned on automatically, resulting in a significant increase in the downstream flow of water in only a matter of seconds.

If there's a need to release water through the sluiceways (outlets at the base of the dam), this operation can also create a great swell of discharged water downstream.

During flood operations, any or all spillway gates across the width of a dam can be opened to release upstream flood water that needs to pass to the next downstream reservoir. Upstream or downstream, even the most experienced boater with the strongest motor is no match for this strong flow of water plunging over a spillway of a dam. Even if you're boating far downstream of a spilling dam, recirculating current can pull a powerful boat upstream toward plunging water that could shred any boat.

Some dams equipped with navigation locks create turbulent water as well. When vessels pass through, strong flow is released near the exhaust ports of the wing wall of the lock.

Warning Systems At Dams

To warn reservoir users of potential danger, warning devices are installed at many dams:




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