Clark #2 Reservoir Report

Last Updated: December 5, 2025

Clark #2 is a privately owned earth dam located in Huerfano, Colorado, with a primary purpose of fire protection, stock, and small fish pond.


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Summary

Built in 1907, the dam stands at a height of 27 feet and spans a length of 972 feet, providing a storage capacity of 1373 acre-feet. Situated on the Pope Arroya-TR river or stream, the dam serves multiple purposes including flood risk reduction and irrigation for the surrounding area.

Despite its age, Clark #2 has a low hazard potential and has not been rated for its condition assessment. The dam has not been inspected since May 1989, highlighting the need for increased monitoring and assessment. With a high risk assessment rating, there is a need for comprehensive risk management measures to ensure the safety and integrity of the structure in the face of potential climate change impacts on water resources.

Enthusiasts of water resource management and climate change adaptation will find Clark #2 an intriguing case study, showcasing the importance of proactive maintenance and monitoring of aging infrastructure in the face of evolving environmental conditions. The dam's location in a high-risk area underscores the need for robust emergency preparedness plans and risk management strategies to mitigate potential hazards and ensure the continued functionality of the structure for fire protection, irrigation, and other critical purposes.

Year Completed

1907

Dam Length

972

Dam Height

27

River Or Stream

POPE ARROYA-TR

Primary Dam Type

Earth

Surface Area

29

Hydraulic Height

27

Drainage Area

5

Nid Storage

1373

Structural Height

27

Hazard Potential

Low

Nid Height

27
       
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.