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Rosasco Lake Dam Upper
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Elizabethton TN, North Carolina
Recreation
Privately owned

Rosasco Lake Dam Upper is an earth dam built on the Bairds CR.-TR River and is located in Elizabethton TN, North Carolina. It was built for the purpose of recreation.

The dam is privately owned by Valle Cay Property Owners' Assoc., Inc. It is also known as Dexter Lake.

Location
Rosasco Lake Dam Upper
Elizabethton TN, North Carolina, U.S.
Dam type
Earth
Dam type
Recreation
Purpose
Unknown
Foundation type
Unknown
Core type
Ownership Share
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Valle Cay Property Owners' Assoc., Inc.
Owner
Private

Rosasco Lake Dam Upper is privately owned by Valle Cay Property Owners' Assoc., Inc..

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Summary
Dam length 129 feet
Structural height 30 feet
Hydraulic height 24 feet
Max discharge 8 cubic feet per second
Max storage 24 acre feet
Normal storage 12 acre feet
Surface area 2 acres
Drainage area 0 square miles
129 feet
Dam length

Length of the dam is defined as the length along the top of the dam. This also includes the spillway, powerplant, navigation lock, fish pass, etc., where these form part of the length of the dam. If detached from the dam, these structures should not be included.

30 feet
Structural height

Structural height of the dam is defined as the vertical distance from the lowest point of the excavated foundation to the top of the dam. Top of dam refers to the parapet wall and not the crest.

24 feet
Hydraulic height

Hydraulic height of the dam is defined as the vertical difference between the maximum design water level and the lowest point in the original streambed.

8 cubic feet per second
Max discharge

Number of cubic feet per second the spillway is capable of discharging when the reservoir is at its maximum designed water surface elevation.

24 acre feet
Max storage

Maximum storage is defined as the total storage space in a reservoir below the maximum attainable water surface elevation, including any surcharge storage.

12 acre feet
Normal storage

Normal storage is defined as the total storage space in a reservoir below the normal retention level, including dead and inactive storage and excluding any flood control or surcharge storage. For normally dry flood control dams, the normal storage will be a zero value.

2 acres
Surface area

Surface area, in acres, of the impoundment at its normal retention level.

0 square miles
Drainage area

Drainage area of the dam, in square miles, which is defined as the area that drains to a particular point (in this case, the dam) on a river or stream.

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High
Downstream potential hazard

Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.

Has emergency action plan
Emergency action plan

An emergency action plan is defined as a plan of action to be taken to reduce the potential for property damage and loss of life in an area affected by a dam failure or large flood.

1/3/2018
Most recent inspection date

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Also known as Dexter Lake
Distance to nearest town (miles) 30
Latitude 36
Longitude -81
NID ID (National ID) NC01569

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