Schon Park Dam Reservoir Report

Last Updated: December 6, 2025

Schon Park Dam, located in Madison, Illinois, is a local government-owned structure designed by Blotevogel Associates and completed in 2013.


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Summary

This earth dam stands at a height of 25 feet and stretches 180 feet in length, with a primary purpose of recreation. Situated on TRIB JUDYS BRANCH, this dam is regulated by the Illinois Department of Natural Resources (IDNR) and undergoes regular inspections.

With a low hazard potential and a moderate risk assessment rating of 3, Schon Park Dam serves as a crucial water resource for the surrounding area. Despite its relatively small size, the dam has a storage capacity of 21 acre-feet and is primarily used for recreational purposes. While the dam does not have outlet gates, its uncontrolled spillway ensures proper water release in times of excess flow.

In the realm of climate change and water resource management, Schon Park Dam plays a significant role in the local ecosystem. Its risk management measures and regular inspections help ensure the safety of nearby communities while also providing a space for recreational activities. As water resource and climate enthusiasts, understanding the design, purpose, and regulatory oversight of dams like Schon Park Dam is essential for sustainable water management practices.

Year Completed

2013

Dam Length

180

Dam Height

25

River Or Stream

TRIB JUDYS BRANCH

Primary Dam Type

Earth

Nid Storage

21

Outlet Gates

None

Hazard Potential

Low

Foundations

Soil

Nid Height

25
       
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.