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Pana Lake Dam
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Pana Lake Dam Share
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Overview Share
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Vandalia, Illinois
Local government owned
Built in 1920

Pana Lake Dam is an earth dam built on the Becks Creek River and is located in Vandalia, Illinois. It was built in 1920 .

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

Pana Lake Dam
Vandalia, Illinois, U.S.
Dam type
Dam type
Foundation type
Core type
Ownership Share
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City of Pana
Local government

Pana Lake Dam is owned by the local government.

Construction Share
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Engineering Service Corp.
Dam designer
Becks Creek River
River built on
Pana Lake Dam was built in 1920.
Metrics Share
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Dam length 800 feet
Dam height 53 feet
Max discharge 16,650 cubic feet per second
Max storage 6,004 acre feet
Normal storage 3,297 acre feet
Surface area 241 acres
Drainage area 8 square miles
800 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.

53 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.

16,650 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.

6,004 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.

3,297 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.

241 acres
Surface area

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

8 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 3 years.

About Share
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Also known as Pana Lake
Distance to nearest town (miles) 47
Latitude 39
Longitude -89
NID ID (National ID) IL00142

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