Timber Pond Dam Reservoir Report

Last Updated: December 19, 2025

Timber Pond Dam, located in Fulton, Illinois, is a private earth dam completed in 2006 with a primary purpose of recreation.


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Summary

Standing at a height of 34 feet and stretching 300 feet in length, this dam provides a maximum storage capacity of 80 acre-feet, with normal storage set at 60 acre-feet. Situated on Francis Creek, the dam is regulated by the Illinois Department of Natural Resources, ensuring state inspection, enforcement, and permitting requirements are met. Despite its low hazard potential, a moderate risk assessment indicates a need for proactive risk management measures.

Although the designer of Timber Pond Dam remains unknown, its construction and operation fall under state jurisdiction, with regular inspections conducted every five years. The dam's spillway type is uncontrolled, and it lacks outlet gates or associated structures. While the condition assessment is currently not available, the risk assessment suggests moderate risk, prompting the need for a detailed risk management plan. In the event of an emergency, the dam's emergency action plan status and preparedness remain unspecified, highlighting the importance of continuous monitoring and maintenance to ensure the safety and integrity of this recreational water resource in the face of changing climate conditions.

Year Completed

2006

Dam Length

300

Dam Height

34

River Or Stream

FRANCIS CREEK

Primary Dam Type

Earth

Nid Storage

80

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

34
       
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.