Arentsen Pond Dam Reservoir Report
Last Updated: December 13, 2025
Arentsen Pond Dam, also known as Wheeler Creek Slurry Pond Dam, is a privately owned structure located in Hamilton County, Illinois.
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Summary
Built in 1992 by Consolidation Coal Co., this Earth type dam stands at a height of 75 feet and stretches over a length of 7500 feet. The primary purpose of the dam is listed as 'Other', with a normal storage capacity of 3590 acre-feet.
Managed by the Illinois Department of Natural Resources, Arentsen Pond Dam poses a high hazard potential due to its uncontrolled spillway type and outlet gates. Despite its moderate risk assessment rating, the condition assessment of the dam is not currently available. The Emergency Action Plan (EAP) for the dam was last revised in January 2018, ensuring preparedness in case of any emergencies. With a maximum storage capacity of 4235 acre-feet and being situated in close proximity to Wheeler Creek, this dam plays a crucial role in water resource management in the area.
Year Completed |
1992 |
Dam Length |
7500 |
Dam Height |
75 |
River Or Stream |
WHEELER CREEK |
Primary Dam Type |
Earth |
Nid Storage |
4235 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
75 |
Seasonal Comparison
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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.
Arentsen Pond Dam