Kilgore Reservoir Reservoir Report

Last Updated: December 5, 2025

Located in Klamath County, Oregon, Kilgore Reservoir is a privately owned earth dam structure built in 1964 primarily for irrigation purposes.


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Summary

With a dam height of 14 meters and a storage capacity of 305 acre-feet, this reservoir plays a crucial role in supporting agriculture in the region. The reservoir is situated along the Lost River tributary, providing essential water resources for the surrounding area.

Despite being classified as having low hazard potential, Kilgore Reservoir is regulated, inspected, and enforced by the Oregon Water Resources Department to ensure its safety and compliance with state regulations. The reservoir covers a surface area of 101 acres and has a maximum discharge capacity of 440 cubic feet per second. While the dam structure itself is not rated for its condition, Kilgore Reservoir continues to serve as a vital water source for the community, contributing to the sustainability of agriculture in the region.

With its strategic location and vital role in irrigation, Kilgore Reservoir stands as a testament to responsible water resource management in Oregon. While its primary purpose remains irrigation, the reservoir's significance extends to water supply and environmental sustainability. As climate change continues to impact water resources, Kilgore Reservoir serves as a critical infrastructure in ensuring the resilience of the local agricultural sector amidst changing environmental conditions.

Year Completed

1964

Dam Length

1840

Dam Height

14

River Or Stream

LOST RIVER, TRIB TO

Primary Dam Type

Earth

Surface Area

101

Hydraulic Height

12

Drainage Area

3

Nid Storage

305

Structural Height

14.2

Hazard Potential

Low

Nid Height

14
       
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.