Cardinal Crest Reservoir Dam Reservoir Report

Last Updated: December 13, 2025

Cardinal Crest Reservoir Dam, located in Franklin, Washington, is a privately owned structure primarily used for irrigation purposes.


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Summary

Completed in 1990, this Earth-type dam stands at a height of 14 feet with a length of 1640 feet, providing a storage capacity of 18 acre-feet. With a surface area of 2.1 acres, the dam is regulated and inspected by the Washington Dept of Ecology to ensure its operational integrity.

Despite being classified as having a high hazard potential, the dam is currently assessed to be in fair condition as of May 2020. Regular inspections are conducted every 5 years to monitor its structural stability. The dam's Emergency Action Plan (EAP) was last revised in June 2020, indicating a commitment to preparedness in case of emergencies. Additionally, the dam's risk management measures are continuously evaluated to minimize potential hazards and ensure the safety of the surrounding community.

As a vital component of the local water resource infrastructure, Cardinal Crest Reservoir Dam plays a crucial role in supporting agricultural activities in the region. Its strategic location and efficient design highlight the importance of proper maintenance and regulatory oversight to safeguard against potential risks and ensure the continued availability of water resources for irrigation purposes.

Year Completed

1990

Dam Length

1640

Primary Dam Type

Earth

Surface Area

2.1

Hydraulic Height

14

Nid Storage

18

Structural Height

14

Hazard Potential

High

Nid Height

14
       
Seasonal Comparison

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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.