Summary
The dam, primarily serving for hydroelectric purposes, is an earth and multi-arch structure standing at a height of 52 feet with a hydraulic height of 39 feet. With a storage capacity of 127,600 acre-feet and a surface area of 3,100 acres, Cooper Lake plays a crucial role in supplying water for energy generation and supporting the local ecosystem.
The dam's high hazard potential and moderate risk assessment highlight the importance of regular inspections and emergency preparedness. Despite its critical role in water resource management, the dam's condition assessment is currently not available, emphasizing the need for ongoing monitoring and maintenance to ensure its safety and stability. With a maximum discharge capacity of 24,500 cubic feet per second and an uncontrolled spillway, Cooper Lake serves as a key infrastructure for regulating water flow in the Cooper Creek and Kenai River systems, contributing to the overall resilience of the region's water resources in the face of changing climates and growing demands.
Dam Height |
52 |
Hydraulic Height |
39 |
Drainage Area |
31 |
Year Completed |
1959 |
Structural Height |
52 |
Nid Storage |
127600 |
Foundations |
Rock, Soil |
Surface Area |
3100 |
River Or Stream |
Cooper Creek, Kenai River |
Dam Length |
920 |
Hazard Potential |
High |
Primary Dam Type |
Earth |
Nid Height |
52 |
Seasonal Comparison
Weather Forecast
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.
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
Cooper Creek Trailhead
|
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Quartz Creek
|
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Russian River Complex
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Cooper Lake