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Pollywog Lake Dam
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Pollywog Lake Dam Share
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Overview Share
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Antimony, Utah
Irrigation
Privately owned
Built in 1947

Pollywog Lake Dam is an earth dam built on the Antelope Spring--Offstream River and is located in Antimony, Utah. It was built in 1947 for the purpose of irrigation.

The dam is privately owned by Bench Irr CO.

Location
Pollywog Lake Dam
Antimony, Utah, U.S.
Dam type
Earth
Dam type
Irrigation
Purpose
Unknown
Foundation type
Unknown
Core type
Ownership Share
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Bench Irr CO
Owner
Private

Pollywog Lake Dam is privately owned by Bench Irr CO.

Construction Share
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1947
Completed
Antelope Spring--Offstream River
River built on
Pollywog Lake Dam was built in 1947.
Metrics Share
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Summary
Dam length 505 feet
Structural height 13 feet
Hydraulic height 10 feet
Max storage 800 acre feet
Normal storage 500 acre feet
Drainage area 1 square miles
505 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.

13 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.

10 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.

800 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.

500 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.

1 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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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.

7/29/2005
Most recent inspection date

Inspections are every 5 years.

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Distance to nearest town (miles) 13
Latitude 38
Longitude -111
NID ID (National ID) UT00250

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