Davison Reservoir Report

Last Updated: December 13, 2025

Davison, Dale is a private dam located in Polk, Oregon, with a primary purpose of irrigation.


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Summary

Built in 1971, this earth dam stands at a height of 22.8 feet and has a length of 350 feet. It has a storage capacity of 31.6 acre-feet and serves multiple purposes including fire protection, stock watering, and small fish pond maintenance. The dam is regulated by the Oregon Water Resources Department and undergoes regular inspections to ensure its structural integrity.

Managed by the Natural Resources Conservation Service, Davison, Dale has a low hazard potential and is not currently rated in terms of its condition assessment. The dam features a slide gate as its outlet structure and has a maximum discharge capacity of 4 cubic feet per second. Despite its small size and limited drainage area of 0.16 square miles, the dam plays a crucial role in providing water for irrigation and other uses in the surrounding area. With its location in a state with a strong commitment to water resource management, Davison, Dale represents a key piece of infrastructure in Oregon's water ecosystem.

While not a high-profile dam, Davison, Dale exemplifies the importance of smaller water infrastructure in supporting local agriculture and environmental needs. As climate change continues to impact water resources, dams like Davison, Dale will play a vital role in ensuring a reliable water supply for the community. By adhering to state regulations and undergoing regular inspections, this private dam serves as a model for responsible water management in the face of a changing climate.

Year Completed

1971

Dam Length

350

Dam Height

22.8

Primary Dam Type

Earth

Drainage Area

0.16

Nid Storage

31.6

Structural Height

28

Outlet Gates

Slide (sluice gate)

Hazard Potential

Low

Nid Height

28
       
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.