Dry Fork Lake Dam (Rough River Lake)

Field Descriptions

Dam Name: Dry Fork Lake Dam
NID ID: KY00264
Longitude: -86.56389
Latitude: 37.68278
State: KY
Nearest City: DEMPSTER
Distance: 6 miles
Owner Type: Private
Private Dam? No
Dam Type: Earth
Foundation: RSZ
Purposes: Water Supply
Year Completed: 1950
Dam Length: 360 feet
Dam Height: 28 feet
Maximum Discharge: 500 cu ft/sec
Maximum Storage: 118 acre-feet
Normal Storage: 118 acre-feet
Surface Area: 11.4 acres
Drainage Area: 3.29 square miles
Hazard Potential: Low
Emergency Action Plan? Not Required By Submitting Agency
Inspection Date: 2005-04-18
Inspection Frequency: 0
State Regulated Dam? Yes
State Regulating Agency: DOW
Spillway Type: Uncontrolled
Spillway Width: 0 feet
Outlet Gates: U
Volume of Dam: 16000 cubic yards
Federal Design Agency: U.S. Department of Agriculture;
Natural Resources Conservation Service
Formerly Soil Conservation Service (SCS)
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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