Beyers Lake Dam Reservoir Report
Last Updated: December 5, 2025
Beyers Lake Dam in Shelby, Illinois, is a privately owned earth dam primarily used for recreation.
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Summary
Standing at 45 feet high with a length of 500 feet, the dam holds a storage capacity of 450 acre-feet, making it a popular spot for water enthusiasts. The dam is under the regulatory authority of the Illinois Department of Natural Resources, ensuring safety and compliance with state regulations.
Despite its low hazard potential, Beyers Lake Dam undergoes regular inspections every five years to assess its condition. With a moderate risk assessment rating, risk management measures are in place to mitigate any potential issues. The dam features an uncontrolled spillway and is situated within the St. Louis District of the US Army Corps of Engineers, providing additional oversight for its operations.
Water and climate enthusiasts will appreciate Beyers Lake Dam for its recreational opportunities and the balance it strikes between public enjoyment and safety. As a well-maintained structure in a picturesque setting, the dam serves as a testament to responsible water resource management in Illinois. With its serene waters and natural surroundings, Beyers Lake Dam is a must-visit destination for those passionate about conservation and outdoor activities.
Dam Length |
500 |
Dam Height |
45 |
Primary Dam Type |
Earth |
Nid Storage |
450 |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
45 |
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.
Beyers Lake Dam