Cottonwood Meadows Reservoir Report

Last Updated: December 6, 2025

Cottonwood Meadows is a state-owned recreational dam located in Lake County, Oregon, along Cottonwood Creek.


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Summary

Built in 1961 by the Oregon Department of Fish and Wildlife, this earth dam stands at 25 feet high and spans 1930 feet in length. With a storage capacity of 460 acre-feet, it serves as a popular spot for outdoor enthusiasts looking to enjoy the serene surroundings and water activities in the area.

The dam, classified as having a significant hazard potential, has not been rated for its condition assessment, but undergoes inspections every three years to ensure its safety and functionality. Equipped with slide gates for water release, Cottonwood Meadows provides irrigation water and contributes to the overall water management system in the region. The dam's location in the Sacramento District adds to its importance in the local ecosystem and highlights its role in supporting the surrounding community and wildlife.

As a key recreational resource in the area, Cottonwood Meadows offers a unique blend of natural beauty and water-based activities for visitors to enjoy. With a focus on conservation and sustainable use, this dam serves as a testament to the careful balance between human recreation and environmental preservation in the face of changing climate conditions. Whether it's fishing, boating, or simply soaking in the scenic views, Cottonwood Meadows stands as a vital water resource for both residents and climate enthusiasts alike.

Year Completed

1961

Dam Length

1930

Dam Height

25

River Or Stream

COTTONWOOD CREEK

Primary Dam Type

Earth

Surface Area

40

Hydraulic Height

21

Drainage Area

5.5

Nid Storage

460

Structural Height

26

Outlet Gates

Slide (sluice gate)

Hazard Potential

Significant

Nid Height

26
       
Seasonal Comparison

Weather Forecast

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Nearby Streamflow Levels

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.