Oak Terrrace Golf Course Lake Dam Reservoir Report
Nearby: Beyers Lake Dam Boy Scout Lake Dam
Last Updated: December 5, 2025
Located in Shelby, Illinois, Oak Terrrace Golf Course Lake Dam is a privately owned structure regulated by the Illinois Department of Natural Resources.
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Summary
This earth dam stands at a height of 40 feet and spans 200 feet in length, with a storage capacity of 60 acre-feet. Primarily used for recreational purposes, the dam poses a low hazard potential and has a moderate risk assessment rating.
Despite its low hazard potential, the dam's condition assessment is currently unavailable, highlighting the need for regular inspections and maintenance. With a last inspection date in July 2020 and an inspection frequency of 5 years, the dam's emergency action plan status, risk management measures, and inundation maps preparedness are all listed as not available. The dam's location within the St. Louis District and its proximity to the Oak Terrrace Golf Course make it a vital water resource for the surrounding community.
Enthusiasts of water resources and climate in Illinois will find Oak Terrrace Golf Course Lake Dam an intriguing structure to study due to its unique design features and its role in providing recreational opportunities in the area. With its moderate risk assessment rating and low hazard potential, the dam serves as a reminder of the importance of proper maintenance and monitoring to ensure the safety and sustainability of water infrastructure in the region.
Dam Length |
200 |
Dam Height |
40 |
Surface Area |
7 |
Nid Storage |
60 |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
40 |
Seasonal Comparison
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Nearby Streamflow Levels
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.
Oak Terrrace Golf Course Lake Dam