Ramona Reservoir Report

Last Updated: December 5, 2025

Ramona, also known as Mitchell #2, is a private water resource located in Larimer County, Colorado.


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Summary

The dam, completed in 1889, stands at a height of 8 feet and spans 375 feet in length, with a storage capacity of 150 acre-feet. Primarily used for recreation, the dam supports fish and wildlife ponds, irrigation, and recreational activities in the area.

Managed by the Colorado Division of Water Resources, Ramona is regulated, permitted, inspected, and enforced to ensure its safety and compliance with state regulations. Despite its low hazard potential and satisfactory condition assessment, the dam carries a moderate risk level of 3. The surrounding Columbine Creek provides a picturesque backdrop for outdoor enthusiasts and climate advocates who appreciate the importance of water resources and dam management in sustaining ecosystems and communities.

As a significant water resource in the region, Ramona serves as a testament to the historical and environmental significance of dams in Colorado. With its controlled spillway and uncontrolled spillway type, the dam caters to various purposes while maintaining a balance between recreation and water management. For water resource and climate enthusiasts, Ramona offers a glimpse into the intricate network of infrastructure that supports sustainable water use and conservation efforts in the state.

Year Completed

1889

Dam Length

375

Dam Height

8

River Or Stream

COLUMBINE CR

Primary Dam Type

Earth

Surface Area

12

Hydraulic Height

8

Nid Storage

150

Structural Height

8

Hazard Potential

Low

Nid Height

8
       
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.