Munger #2 Reservoir Report

Last Updated: December 5, 2025

Munger #2 is a privately owned irrigation dam located in Weld County, Colorado, along the South Platte River.


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Summary

Built in 1902, this Earth-type dam stands at a height of 11 feet and has a length of 1700 feet. With a storage capacity of 117 acre-feet, the dam primarily serves the purpose of irrigation in the region.

Despite being classified as having low hazard potential, Munger #2 is considered to have a high risk level due to its age and lack of recent condition assessments. The last inspection of the dam took place in 1986, and it is currently not rated for its condition. Despite its age, the dam has not undergone any significant modifications or updates in recent years.

While Munger #2 has not faced any major incidents or emergencies in recent history, its outdated inspection data and high-risk assessment highlight the need for regular monitoring and potential upgrades to ensure the safety and reliability of this important water resource infrastructure in Colorado.

Year Completed

1902

Dam Length

1700

Dam Height

11

River Or Stream

SOUTH PLATTE RIVER

Primary Dam Type

Earth

Surface Area

16

Hydraulic Height

11

Nid Storage

117

Structural Height

11

Hazard Potential

Low

Nid Height

11
       
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.