Applegate Lake Near Copper Reservoir Report

Last Updated: December 13, 2025

Applegate Lake is a reservoir located near Copper, OR in the Rogue River-Siskiyou National Forest.


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Summary

The lake was created in 1980 when the Army Corps of Engineers dammed the Applegate River. The lake provides water for irrigation and recreation, and is home to a variety of fish species including rainbow trout, largemouth bass, and crappie. The hydrology of the lake is influenced by both surface flow and snowpack from the surrounding mountains. Farmers in the area rely on the lake for irrigation, while recreational activities such as fishing, boating, and camping draw tourists to the area. The lake is also a popular spot for hiking and birdwatching.

Reservoir Details

Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft 24hr Change -0.04%
Percent of Normal 100%
Minimum 1,861.01 ft
2020-12-16
Maximum 1,987.65 ft
2009-05-13
Average 1,881 ft
Dam_Height 242
Hydraulic_Height 235
Drainage_Area 223
Year_Completed 1980
Nid_Storage 89300
Structural_Height 242
Foundations Rock
Surface_Area 1041
River_Or_Stream APPLEGATE RIVER
Dam_Length 1200
Hazard_Potential High
Primary_Dam_Type Rockfill
Nid_Height 242
       
Seasonal Comparison
Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft Levels

Weather Forecast

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.