Eagle Valley Reservoir Dam Reservoir Report

Last Updated: December 15, 2025

Eagle Valley Reservoir Dam, located in Nevada, was completed in 1965 and stands at a height of 72 feet, with a hydraulic height of 52 feet.


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Summary

The primary purpose of this earth dam is for recreation, specifically for fish and wildlife pond activities. The dam has a storage capacity of 835 acre-feet, with a normal storage level of 830 acre-feet. It is situated on the Meadow Valley Wash and covers a surface area of 60 acres.

The dam has a spillway width of 30 feet and an uncontrolled spillway type. It has been modified structurally in 1966 and is equipped with a slide (sluice gate) outlet gate. The dam has a high hazard potential, but its condition assessment is rated as fair. The risk assessment for the dam is moderate, with a DSAC (Dam Safety Action Classification) not yet assigned. The last inspection was conducted in May 2021, with a scheduled inspection frequency of 1 year.

Eagle Valley Reservoir Dam serves as a vital recreational and water resource infrastructure in Lincoln County, Nevada. Managed by the Nevada Department of Water Resources, the dam provides opportunities for outdoor activities such as fishing and wildlife viewing. Despite its high hazard potential, the dam is maintained in fair condition and is subject to regular inspections to ensure safety and structural integrity. With its scenic location and important role in water management, Eagle Valley Reservoir Dam remains an essential asset for the local community and visitors alike.

Years Modified

1966 - Structural

Year Completed

1965

Dam Length

601

Dam Height

62

River Or Stream

MEADOW VALLEY WASH

Primary Dam Type

Earth

Surface Area

60

Hydraulic Height

52

Drainage Area

285

Nid Storage

835

Structural Height

72

Outlet Gates

Slide (sluice gate) - 1

Hazard Potential

High

Foundations

Rock

Nid Height

72
       
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.