Weber Basin Equalizing Reservoir 17.8 Reservoir Report

Last Updated: December 5, 2025

Weber Basin Equalizing Reservoir 17.8, located in Davis County, Utah, is a vital water resource managed by the Bureau of Reclamation.


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Summary

Completed in 1960, this Earth dam structure stands at a hydraulic height of 20 feet and a structural height of 22 feet, offering a storage capacity of 25 acre-feet along the OS Davis-Weber Aqueduct. The reservoir serves as a crucial component in regulating water flow and ensuring water availability for various purposes in the region.

Despite its relatively small size, Weber Basin Equalizing Reservoir 17.8 plays a significant role in water management and flood control. With a controlled spillway type and a high hazard potential, the reservoir's risk assessment is rated as very high. Regular inspections and emergency action plans are in place to mitigate potential risks and ensure the safety and integrity of the structure. The reservoir's location and design highlight the careful consideration given to its construction to meet the water management needs of the area.

As water resource and climate enthusiasts, understanding the details and significance of structures like Weber Basin Equalizing Reservoir 17.8 is crucial in appreciating the complexities of water management systems. With its federal ownership and oversight by the Bureau of Reclamation, this reservoir stands as a testament to the ongoing efforts to sustainably manage water resources in Utah. Its role in regulating water flow, managing risks, and ensuring water availability underscores the importance of such infrastructure in the face of evolving climate challenges.

Year Completed

1960

River Or Stream

OS DAVIS-WEBER AQUEDUCT

Primary Dam Type

Earth

Hydraulic Height

20

Nid Storage

25

Structural Height

22

Hazard Potential

High

Foundations

Rock

Nid Height

22
       
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.