Gun Club Lake Dam Reservoir Report

Last Updated: December 5, 2025

Gun Club Lake Dam, located in Lincolnwood-Offstream, Illinois, is a local government-owned structure built in 1969 primarily for recreation purposes.


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Summary

With a height of 20 feet and a length of 680 feet, the dam holds a storage capacity of 102 acre-feet, with a normal storage level of 69 acre-feet. The dam is classified as an Earth-type dam with a Buttress core, and it sits on the Trib Hickory Creek, under the regulatory oversight of the Illinois Department of Natural Resources.

Despite its low hazard potential and moderate risk assessment rating, the condition assessment of Gun Club Lake Dam is currently listed as "Not Available," with the last inspection conducted in October 2015. The dam does not have outlet gates or a controlled spillway, but emergency action plans and risk management measures are not specified in the available data. The dam is not associated with any federal agencies and is not regulated or funded by federal entities, operating solely under state jurisdiction for permitting, inspection, and enforcement.

For water resource and climate enthusiasts, Gun Club Lake Dam presents an intriguing case study in local government dam management and recreational infrastructure. The dam's historical significance, design characteristics, and risk assessment profile offer valuable insights into the challenges and opportunities of maintaining and monitoring dams in urban environments like Lincolnwood-Offstream, Illinois. As the dam continues to serve its recreational purpose, it underscores the importance of proactive maintenance and risk mitigation strategies to ensure the safety and sustainability of water resources in the region.

Year Completed

1969

Dam Length

680

Dam Height

20

River Or Stream

TRIB HICKORY CREEK

Primary Dam Type

Earth

Nid Storage

102

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

20
       
Seasonal Comparison

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Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.