Jones Reservoir Report

Last Updated: December 5, 2025

Jones is a privately owned dam located in Heber City, Utah, along Lake Creek.


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Summary

Built in 1956 by the USDA NRCS, this earth dam stands at a height of 36 feet and has a hydraulic height of 31 feet. With a storage capacity of 228 acre-feet, Jones primarily serves the purpose of irrigation in the area. However, despite its crucial role in water resource management, the dam is classified as having a high hazard potential and is currently in poor condition.

The Utah Division of Water Rights regulates Jones, overseeing its permitting, inspection, and enforcement processes. The dam is situated in the Wasatch County, Utah, and falls under the jurisdiction of the state. With a history of modification and a last inspection date in October 2020, Jones is in need of attention to ensure its structural integrity and safety for both the surrounding community and the environment. Despite its age, the dam remains a vital component of the local water supply system, highlighting the importance of ongoing maintenance and risk assessment for sustainable water resource management in the region.

Year Completed

1956

Dam Length

450

River Or Stream

LAKE CREEK

Primary Dam Type

Earth

Hydraulic Height

31

Drainage Area

1

Nid Storage

228

Structural Height

36

Hazard Potential

High

Nid Height

36
       
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.