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Annabella Dam
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Annabella Dam Share
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Overview Share
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Annabella, Utah
Privately owned
Built in 1973

Annabella Dam is an earth dam built on the Cottonwood Creek River and is located in Annabella, Utah. It was built in 1973 for the purpose of irrigation.

The dam is privately owned by Annabella Irrigation Company.

Annabella Dam
Annabella, Utah, U.S.
Dam type
Dam type
Foundation type
Core type
Ownership Share
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Annabella Irrigation Company

Annabella Dam is privately owned by Annabella Irrigation Company.

Construction Share
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Dam designer
Cottonwood Creek River
River built on
Annabella Dam was built in 1973.
Metrics Share
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Dam length 575 feet
Structural height 14 feet
Hydraulic height 9 feet
Max storage 230 acre feet
Normal storage 193 acre feet
Drainage area 3 square miles
575 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.

14 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.

9 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.

230 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.

193 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.

3 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 significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be located in areas with population and significant infrastructure.

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.

Most recent inspection date

Inspections are every 2 years.

About Share
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Former name 0
Latitude 38
Longitude -112
NID ID (National ID) UT00009

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