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Calderwood Dam
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Calderwood, Tennessee
Hydroelectric
Public utility owned
Built in 1930

Calderwood Dam is an arch dam built on the Little Tennessee River and is located in Calderwood, Tennessee. It was built in 1930 for the purpose of hydroelectric.

The dam is owned by the public utility, Brookfield Renewable Energy Group.

Location
Calderwood Dam
Calderwood, Tennessee, U.S.
Dam type
Arch
Dam type
Hydroelectric
Purpose
Unknown
Foundation type
Unknown
Core type
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Brookfield Renewable Energy Group
Owner
Public utility

Calderwood Dam is owned by the public utility, Brookfield Renewable Energy Group.

Construction Share
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1930
Completed
Little Tennessee River
River built on
Calderwood Dam was built in 1930.
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Summary
Dam length 916 feet
Dam height 214 feet
Structural height 230 feet
Hydraulic height 229 feet
Max discharge 375,000 cubic feet per second
Max storage 43,500 acre feet
Normal storage 41,100 acre feet
Surface area 570 acres
Drainage area 1,856 square miles
916 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.

214 feet
Dam height

Height of the dam is defined as the vertical distance between the lowest point on the crest of the dam and the lowest point in the original streambed.

230 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.

229 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.

375,000 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.

43,500 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.

41,100 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.

570 acres
Surface area

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

1,856 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.

9/25/2017
Most recent inspection date

Inspections are every 1 ear.

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Distance to nearest town (miles) 1
Latitude 35
Longitude -83
NID ID (National ID) TN00906

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