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Mary Gihvan Dam
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Mary Gihvan Dam Share
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Overview Share
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Demopolis, Alabama
Fish And Wildlife Pond
Public utility owned
Built in 1990

Mary Gihvan Dam is an earth dam built on the Tr-Prairie CK. River and is located in Demopolis, Alabama. It was built in 1990 for the purpose of fish and wildlife pond.

The dam is owned by the public utility, Mary Gihvan. It is also known as Mary Givhan.

Location
Mary Gihvan Dam
Demopolis, Alabama, U.S.
Dam type
Earth
Dam type
Fish and wildlife pond
Purpose
Unknown
Foundation type
Unknown
Core type
Ownership Share
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Mary Gihvan
Owner
Public utility

Mary Gihvan Dam is owned by the public utility, Mary Gihvan.

Construction Share
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1990
Completed
USDA NRCS
Dam designer
Tr-Prairie CK. River
River built on
Mary Gihvan Dam was built in 1990.
Metrics Share
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Summary
Dam length 900 feet
Dam height 17 feet
Max discharge 350 cubic feet per second
Max storage 50 acre feet
Normal storage 24 acre feet
Surface area 5 acres
Drainage area 0 square miles
900 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.

17 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.

350 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.

50 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.

24 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.

5 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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Low
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.

8/20/1990
Most recent inspection date

About Share
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Also known as Mary Givhan
Latitude 32
Longitude -87
NID ID (National ID) AL02426

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