West Lake Dam Reservoir Report
Last Updated: December 15, 2025
West Lake Dam, located in East Peoria, Illinois, is a private recreational structure built in 1955 to provide water storage for the surrounding area.
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Summary
The dam stands at a height of 49 feet and has a length of 340 feet, with a maximum storage capacity of 213 acre-feet. It is primarily used for recreation purposes and is regulated by the Illinois Department of Natural Resources.
With a low hazard potential and a moderate risk assessment rating, West Lake Dam serves as a vital resource for the community while also maintaining safety standards. The dam features an uncontrolled spillway with a width of 107 feet and outlet gates for water release. While the condition assessment is not available, the dam undergoes inspections every five years to ensure its structural integrity and functionality.
Overall, West Lake Dam plays a crucial role in managing water resources and providing recreational opportunities in the Tazewell County area. Its presence on the tributary of Farm Creek contributes to the local ecosystem and enhances the quality of life for residents. As a privately owned structure, the dam serves as a testament to responsible water management practices and environmental stewardship in the region.
Year Completed |
1955 |
Dam Length |
340 |
Dam Height |
49 |
River Or Stream |
TRIB FARM CREEK |
Primary Dam Type |
Earth |
Nid Storage |
213 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
49 |
Seasonal Comparison
Weather Forecast
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.
West Lake Dam