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Willoughby Lake Dam
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Willoughby Lake Dam Share
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Overview Share
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Oak Grove Church Environs, Georgia
Privately owned
Built in 1945

Willoughby Lake Dam is an earth dam built on the Reedy Creek River and is located in Oak Grove Church Environs, Georgia. It was built in 1945 for the purpose of recreation.

The dam is privately owned by Willoughby, A. P.

Willoughby Lake Dam
Oak Grove Church Environs, Georgia, U.S.
Dam type
Dam type
Foundation type
Core type
Ownership Share
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Willoughby, A. P.

Willoughby Lake Dam is privately owned by Willoughby, A. P..

Construction Share
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Dam designer
Reedy Creek River
River built on
Willoughby Lake Dam was built in 1945.
Metrics Share
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Dam length 475 feet
Dam height 15 feet
Hydraulic height 15 feet
Max storage 69 acre feet
Normal storage 39 acre feet
Surface area 6 acres
Drainage area 160 square miles
475 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.

15 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.

15 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.

69 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.

39 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.

6 acres
Surface area

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

160 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.

Safety Share
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Downstream potential hazard

Dams assigned the low hazard potential classification are those where failure or misoperation results in no probable loss of human life and low economic and/or environ-mental losses. Losses are principally limited to the owner’s property.

Not required
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.

About Share
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Latitude 33
Longitude -83
NID ID (National ID) GA02758

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