Lundvall Dam #5 Reservoir Report

Last Updated: December 5, 2025

Located in Weld County, Colorado, Lundvall Dam #5 is a privately owned structure primarily used for irrigation purposes.


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Summary

Completed in 1919, this earth dam stands at a height of 18 feet and spans a length of 800 feet, with a storage capacity of 94 acre-feet. Situated along the Sheep Draw-TR river or stream, this dam plays a crucial role in water resource management in the region.

Despite its low hazard potential, Lundvall Dam #5 is classified as having a high risk level, highlighting the importance of proper risk management measures. The dam has not been inspected since 1987, indicating a need for updated assessments to ensure its structural integrity and safety. While the dam lacks certain features like spillways and outlet gates, its historical significance and contribution to irrigation in the area make it a vital component of the local water infrastructure.

As a key component of the water supply system in Greeley, Colorado, Lundvall Dam #5 serves as a reminder of the vital role that dams play in sustaining agricultural practices and water availability in the region. With its unique design and history dating back over a century, this dam stands as a testament to the ingenuity and resourcefulness of early water resource engineers. For water resource and climate enthusiasts, Lundvall Dam #5 offers a glimpse into the past while emphasizing the ongoing importance of sustainable water management practices in the face of changing climate patterns.

Year Completed

1919

Dam Length

800

Dam Height

18

River Or Stream

SHEEP DRAW-TR

Primary Dam Type

Earth

Surface Area

8

Hydraulic Height

19

Nid Storage

94

Structural Height

18

Hazard Potential

Low

Nid Height

19
       
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.