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Lake Benson Dam
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Lake Benson Dam Share Share

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Smithfield (Benson RD Near Dam, North Carolina
Local government owned
Built in 1952

Lake Benson Dam is built on the Swift Creek River and is located in Smithfield (Benson RD Near Dam, North Carolina. It was built in 1952 .

The dam is owned by the local government.

Location
Lake Benson Dam
Smithfield (Benson RD Near Dam, North Carolina, U.S.
Dam type
Other
Dam type
Other
Purpose
Unknown
Foundation type
Unknown
Core type
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Ownership Share Share
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City of Raleigh Public Utilities Department
Owner
Local government

Lake Benson Dam is owned by the local government.

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Construction Share Share
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1952
Completed
Swift Creek River
River built on
Lake Benson Dam was built in 1952.
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Metrics Share Share
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Summary
Dam length 400 feet
Structural height 26 feet
Hydraulic height 21 feet
Max discharge 11,500 cubic feet per second
Max storage 7,200 acre feet
Normal storage 3,070 acre feet
Surface area 463 acres
400 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.

26 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.

21 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.

11,500 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.

7,200 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.

3,070 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.

463 acres
Surface area

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

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Safety Share Share
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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.

1/8/2016
Most recent inspection date

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About Share Share
Distance to nearest town (miles) 21
Latitude 35
Longitude -78
NID ID (National ID) NC00861
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