Noble Reservoir 1 Reservoir Report

Last Updated: December 5, 2025

Noble Reservoir 1, also known as Kent Reservoir, is a privately owned water resource located in Klamath County, Oregon.


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Summary

Built in 1961, this earth dam structure serves primarily for irrigation purposes along Noble Creek. The reservoir has a dam height of 12 feet and a storage capacity of 180 acre-feet, with a normal storage level of 145 acre-feet spread across a surface area of 50 acres.

Despite being low in hazard potential, Noble Reservoir 1 is regulated by the Oregon Water Resources Department and undergoes regular inspections, with the last one conducted in November 2011. The reservoir has a maximum discharge rate of 234 cubic feet per second and is situated in an area where no downstream settlement exists. The structure is owned and operated by private entities, with no federal funding or involvement in its design, construction, or regulatory oversight.

Water resource and climate enthusiasts interested in the management and infrastructure of irrigation reservoirs will find Noble Reservoir 1 to be an intriguing case study. Its location, design, and operational details provide valuable insights into the sustainable use of water resources in arid regions like Klamath County, Oregon. The reservoir's historical significance, modest storage capacity, and low-risk profile make it a notable feature in the local water management landscape.

Year Completed

1961

Dam Length

550

Dam Height

12

River Or Stream

NOBLE CREEK

Primary Dam Type

Earth

Surface Area

50

Hydraulic Height

9

Drainage Area

5.29

Nid Storage

180

Structural Height

12

Hazard Potential

Low

Nid Height

12
       
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.