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Ravenwood Lake Dam
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Ravenwood Lake Dam Share
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O'Fallon, Illinois
Recreation
Privately owned
Built in 1990

Ravenwood Lake Dam is an earth dam built on the Trib Richland Creek River and is located in O'Fallon, Illinois. It was built in 1990 for the purpose of recreation.

The dam is privately owned by Ravenwood Lake Association. It is also known as Ravenwood Lake.

Location
Ravenwood Lake Dam
O'Fallon, Illinois, U.S.
Dam type
Earth
Dam type
Recreation
Purpose
Unknown
Foundation type
Unknown
Core type
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Ravenwood Lake Association
Owner
Private

Ravenwood Lake Dam is privately owned by Ravenwood Lake Association.

Construction Share
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1990
Completed
Thouvenot, Wade & Moerchen
Dam designer
Trib Richland Creek River
River built on
Ravenwood Lake Dam was built in 1990.
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Summary
Dam length 270 feet
Dam height 15 feet
Max discharge 931 cubic feet per second
Max storage 250 acre feet
Normal storage 79 acre feet
270 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.

15 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.

931 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.

250 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.

79 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.

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Significant
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.

6/6/2018
Most recent inspection date

Inspections are every 3 years.

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Also known as Ravenwood Lake
Distance to nearest town (miles) 0
Latitude 38
Longitude -89
NID ID (National ID) IL50149

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