Eli Hollow Reservoir Report

Last Updated: December 5, 2025

Eli Hollow, located in Emery, Utah, is a private earth dam primarily used for irrigation purposes.


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Summary

Built in 1967, this dam plays a crucial role in managing water resources in the area with a drainage area of 1.14 square miles. While the dam has a relatively small storage capacity and no spillway, its significance lies in its contribution to agricultural activities in the region.

Managed by the USDA NRCS, Eli Hollow has a significant hazard potential and is categorized as having a "Significant" risk level. Despite its age and limited structural features, the dam continues to support the local community by providing water for irrigation purposes. Although the condition assessment is marked as "Not Available," the dam remains operational and serves as a vital component in the water resource infrastructure of the area.

While lacking certain modern features and data assessments, Eli Hollow stands as a testament to the importance of water management in agricultural regions. Its presence highlights the ongoing need for sustainable practices and maintenance of water resources in the face of changing climate conditions. For water resource and climate enthusiasts, Eli Hollow represents a piece of the larger puzzle in ensuring the continued availability and functionality of essential water infrastructure.

Year Completed

1967

Primary Dam Type

Earth

Drainage Area

1.14

Outlet Gates

Uncontrolled

Hazard Potential

Significant
       
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.