Sun Studs Log Pond Reservoir Report

Last Updated: December 13, 2025

Sun Studs Log Pond is a privately owned water resource located in Douglas County, Oregon, along the South Umpqua River.


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Summary

This log pond, completed in 1950, serves a primary purpose that falls under the category of "Other." The Earth-type dam stands at a height of 16 feet and has a storage capacity of 80 acre-feet, with a maximum discharge rate of 60 cubic feet per second.

With a significant hazard potential, Sun Studs Log Pond is state-regulated and subject to inspections, enforcement, and permitting by the Oregon Water Resources Department. The dam's structure includes a slide (sluice gate) for outlet gates, and it spans a length of 1360 feet. Despite not being rated for condition, the dam's inspection frequency is set at every three years, with the most recent inspection in November 2020.

Located in a picturesque setting in Roseburg, Oregon, Sun Studs Log Pond presents a unique intersection of water resource management and climate considerations. Enthusiasts interested in the environmental impact of such structures will find this dam an intriguing subject for further study and appreciation of the role it plays in managing water resources in the region.

Year Completed

1950

Dam Length

1360

Dam Height

16

River Or Stream

SOUTH UMPQUA RIVER

Primary Dam Type

Earth

Surface Area

15

Hydraulic Height

14

Drainage Area

0.2

Nid Storage

80

Structural Height

17

Outlet Gates

Slide (sluice gate)

Hazard Potential

Significant

Nid Height

17
       
Seasonal Comparison

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.