Jackson Bluff Dam (Lake Talquin)

Field Descriptions

Dam Name: Jackson Bluff
Other Name: LAKE TALQUIN (RES)
NID ID: FL00108
Longitude: -84.6464
Latitude: 30.38333
Map Section: S17 T1S R3W
County: LEON
River: OCHLOCKONEE RIVER
State: FL
Owner Name: CITY OF TALLAHASSEE
Owner Type: Local Government
Private Dam? No
Core: Homogeneous Dam (Position)
Earth (Type)
Known (Certainty)
Foundation: SK
Purposes: Recreation
Year Completed: 1928
Dam Length: 3600 feet
Dam Height: 66.5 feet
Structural Height: 80 feet
Maximum Discharge: 150000 cu ft/sec
Maximum Storage: 165000 acre-feet
Normal Storage: 150000 acre-feet
Surface Area: 10200 acres
Drainage Area: 1720 square miles
Hazard Potential: High
Emergency Action Plan? Yes
Inspection Date: 2012-01-26
Inspection Frequency: 1
State Regulated Dam? Yes
State Regulating Agency: NWFWMD
Spillway Type: Controlled
Spillway Width: 196 feet
Outlet Gates: T7;
Federal Funding Agency: LAKE TALQUIN (RES)
Federal Regulatory Agency:
Federal Inspection Agency:
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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