Oakwood Country Club Lake Dam Reservoir Report
Nearby: Steel Moline Power
Last Updated: December 13, 2025
Oakwood Country Club Lake Dam, located in Coal Valley, Illinois, is a privately owned earth dam with a primary purpose of recreation.
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Summary
Built in 1964 by the Soil Conservation Service (SCS), this dam stands 25 feet tall and spans 243 feet in length, creating a storage capacity of 77 acre-feet. Situated on the Trib Rock River, this dam is regulated by the Illinois Department of Natural Resources and undergoes regular inspections to ensure its structural integrity and safety.
With a spillway width of 45 feet and uncontrolled spillway and outlet gates, Oakwood Country Club Lake Dam poses a significant hazard potential with a moderate risk assessment rating. Although the condition assessment is currently listed as "Not Available," the dam is inspected every three years to monitor any potential risks or issues that may arise. Despite its age, this dam continues to provide valuable recreational opportunities for the surrounding community, while also serving as a vital water resource for the area.
As climate change continues to impact water resources and infrastructure, the importance of maintaining and monitoring dams like Oakwood Country Club Lake Dam grows even more crucial. With proper regulation and oversight from the state, this dam remains a key component in water management and flood control efforts in Henry County, Illinois. As water resource and climate enthusiasts, it is essential to recognize the significance of structures like Oakwood Country Club Lake Dam in safeguarding our natural environment and communities against potential risks and hazards.
Year Completed |
1964 |
Dam Length |
243 |
Dam Height |
25 |
River Or Stream |
TRIB ROCK RIVER |
Primary Dam Type |
Earth |
Nid Storage |
77 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Significant |
Foundations |
Unlisted/Unknown |
Nid Height |
25 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Mill Creek At Milan
|
3cfs |
Crow Creek At Bettendorf
|
5cfs |
Duck Creek At Dc Golf Course At Davenport
|
63cfs |
Edwards River Near Orion
|
66cfs |
Green River Near Geneseo
|
185cfs |
Rock River Near Joslin
|
4400cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
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 in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Oakwood Country Club Lake Dam
Colona