Farmdale Dam Reservoir Report
Nearby: Fondulac Dam Gabbert Pond Dam
Last Updated: December 14, 2025
Farmdale Dam, located in East Peoria, Illinois, is a Federal-owned gravity dam constructed by the US Army Corps of Engineers in 1951 for the primary purpose of flood risk reduction along Farm Creek.
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Summary
Standing at a height of 90 feet with a hydraulic height of 50 feet and a structural height of 80 feet, the dam has a storage capacity of 15,500 acre-feet and a maximum discharge of 69,950 cubic feet per second. The dam's spillway, with a width of 528 feet, is uncontrolled, and the hazard potential is classified as high.
The US Army Corps of Engineers actively manages dam-related flood risks associated with Farmdale Dam by conducting regular inspections, maintaining the dam's structural integrity, and collaborating with local emergency managers to develop emergency action plans and evacuation procedures. Despite the dam's risk management measures, dams cannot eliminate all flooding risks, especially during severe weather events that may overwhelm the system. The Corps continues to monitor and address potential risks to ensure the dam's operational safety and protect downstream communities from potential flooding incidents.
As a vital component of the region's water resource infrastructure, Farmdale Dam plays a crucial role in mitigating flood risks and managing water levels to safeguard the surrounding areas. With ongoing risk assessment and management strategies in place, the US Army Corps of Engineers remains committed to ensuring the dam's functionality and readiness to respond to any potential emergencies effectively.
Year Completed |
1951 |
Dam Length |
1275 |
Dam Height |
90 |
River Or Stream |
FARM CREEK |
Primary Dam Type |
Gravity |
Hydraulic Height |
50 |
Drainage Area |
26 |
Nid Storage |
15500 |
Structural Height |
80 |
Outlet Gates |
Uncontrolled - 0 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
90 |
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.
Farmdale Dam