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Carthage Lake 2 Dam
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Carthage Lake 2 Dam Share
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Overview Share
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Carthage-Offstream, Illinois
Local government owned
Built in 1928

Carthage Lake 2 Dam is an earth dam built on the TRB Long Creek River and is located in Carthage-Offstream, Illinois. It was built in 1928 for the purpose of recreation.

The dam is owned by the local government. It is also known as Carthage Lake 2.

Carthage Lake 2 Dam
Carthage-Offstream, Illinois, U.S.
Dam type
Dam type
Foundation type
Core type
Ownership Share
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City of Carthage
Local government

Carthage Lake 2 Dam is owned by the local government.

Construction Share
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Caldwell Engineers Co.
Dam designer
TRB Long Creek River
River built on
Carthage Lake 2 Dam was built in 1928.
Metrics Share
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Dam length 290 feet
Dam height 19 feet
Max storage 59 acre feet
Normal storage 20 acre feet
290 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.

19 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.

59 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.

20 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.

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.

No 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 5 years.

About Share
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Also known as Carthage Lake 2
Distance to nearest town (miles) 1
Latitude 40
Longitude -91
NID ID (National ID) IL00257

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