Davis Reservoir Report

Last Updated: December 5, 2025

Davis, also known as Hawley Lake, is a federal-owned recreational dam located in Apache County, Arizona.


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Summary

Managed by the Bureau of Indian Affairs, this earth dam stands at 56 feet tall and stretches over 750 feet in length. Completed in 1956, it has a normal storage capacity of 5700 acre-feet and is situated on Trout Creek in the Los Angeles District.

Despite its remote location and lack of state jurisdiction, Davis poses a high hazard potential with a very high risk assessment rating. While regular inspections are conducted every 5 years, the condition assessment is currently not available. Although an Emergency Action Plan (EAP) was last prepared in 2011, it is unclear if it meets guidelines or if inundation maps have been prepared.

For water resource and climate enthusiasts, Davis presents an intriguing case study of a federally managed recreational dam with high hazard potential and limited information on risk management measures. Its location in a remote area of Arizona adds to the complexity of its management and emergency preparedness, making it an intriguing site for further study and monitoring in the realm of water resource and climate research.

Year Completed

1956

Dam Length

750

River Or Stream

TROUT CREEK

Primary Dam Type

Earth

Nid Storage

5700

Structural Height

56

Hazard Potential

High

Nid Height

56
       
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.