McGee Lake Dam (McGee Creek Lake)

Field Descriptions

Dam Name: McGee Lake
NID ID: OK22194
Longitude: -95.88333
Latitude: 34.38334
County: ATOKA
River: MCGEE CR
State: OK
Nearest City: NONE
Owner Name: MCGEE CREEK AUTHORITY
Owner Type: Federal
Dam Designer: CITY
Private Dam? No
Core: Homogeneous Dam (Position)
Earth (Type)
Estimated (Certainty)
Foundation: SZ
Purposes: Flood Control
Year Completed: 1978
Dam Length: 2300 feet
Dam Height: 186 feet
Structural Height: 186 feet
Hydraulic Height: 186 feet
Maximum Discharge: 47315 cu ft/sec
Maximum Storage: 260000 acre-feet
Normal Storage: 113930 acre-feet
Surface Area: 3810 acres
Drainage Area: 178 square miles
Hazard Potential: Low
Emergency Action Plan? Not Required By Submitting Agency
Inspection Date: 1997-09-04
Inspection Frequency: 5
State Regulated Dam? No
State Regulating Agency: OWRB
Spillway Type: Controlled
Spillway Width: 4 feet
Outlet Gates: Earth;
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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