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Johns Creek Dam #4
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Overview Share
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Virginia
Flood Control
Local government owned
Built in 1966

Johns Creek Dam #4 is an earth dam built on the Dicks Creek River and is located in Virginia. It was built in 1966 for the purpose of flood control.

The dam is owned by the local government.

Location
Johns Creek Dam #4
Virginia, U.S.
Dam type
Earth
Dam type
Flood control
Purpose
Unknown
Foundation type
Unknown
Core type
Ownership Share
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Mountain Castles Soil and Water Conservation District
Owner
Local government

Johns Creek Dam #4 is owned by the local government.

Construction Share
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1966
Completed
USDA NRCS
Dam designer
Dicks Creek River
River built on
Johns Creek Dam #4 was built in 1966.
Metrics Share
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Summary
Dam length 830 feet
Dam height 55 feet
Structural height 55 feet
Hydraulic height 55 feet
Max storage 1,022 acre feet
Normal storage 65 acre feet
Surface area 12 acres
830 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.

55 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.

55 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.

55 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.

1,022 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.

65 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.

12 acres
Surface area

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

Safety 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.

3/25/2014
Most recent inspection date

Inspections are every 1 ear.

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Former name 0
Latitude 37
Longitude -80
NID ID (National ID) VA045004

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