Hobbs Reservoir Report

Last Updated: December 5, 2025

Hobbs, located in Layton, Utah, is a privately owned dam on the North Fork Kays Creek that has been serving the purpose of irrigation since its completion in 1924.


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Summary

Managed by the Utah Division of Water Rights, this earth-type dam stands at a hydraulic height of 80 feet and a structural height of 90 feet, with a total length of 430 feet. With a storage capacity of 1580 acre-feet, Hobbs plays a crucial role in providing water for agricultural purposes in the region.

Despite its age, Hobbs is still in fair condition according to the latest assessment, with a high hazard potential due to its location in a densely populated area. The dam has a history of regular inspections, with the last one conducted in September 2020, and is subject to state regulation, permitting, and enforcement. While the dam has not been modified in recent years, it remains a key infrastructure for water resource management in the region, safeguarding against potential risks and ensuring the safety of the surrounding community.

As a vital part of the water infrastructure in Davis County, Utah, Hobbs serves as a reminder of the importance of effective dam management and oversight. With its substantial storage capacity and role in irrigation, the dam continues to contribute to the sustainable use of water resources in the area. Climate and water resource enthusiasts can appreciate the significance of Hobbs in maintaining water supply reliability and supporting agricultural activities in the region, while also recognizing the need for ongoing monitoring and maintenance to ensure its continued safety and functionality.

Year Completed

1924

Dam Length

430

River Or Stream

NORTH FORK KAYS CREEK

Primary Dam Type

Earth

Hydraulic Height

80

Drainage Area

2

Nid Storage

1580

Structural Height

90

Hazard Potential

High

Nid Height

90
       
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.