Kalcevic Reservoir Report

Last Updated: December 5, 2025

Kalcevic is a pivotal dam located in Westminster, Colorado, along the Clear Creek-TR river.


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Summary

Built in 1955, it stands at a height of 32 feet and serves the primary purpose of flood risk reduction. The dam is classified as an earth dam type with a spillway width of 271 feet and a maximum discharge capacity of 3985 cubic feet per second.

Managed by local government authorities, Kalcevic is regulated by the Colorado Department of Water Resources. With a high hazard potential and a satisfactory condition assessment, the dam undergoes inspections every three years to ensure its structural integrity and safety measures. Despite its moderate risk assessment, the dam's emergency action plan preparation and adherence to guidelines remain unclear.

Enthusiasts of water resources and climate science will find Kalcevic to be a significant infrastructure contributing to flood risk management in Adams County, Colorado. As a critical component of the region's water resource management system, Kalcevic's design by P. Kiely and ICON, along with its controlled spillway and uncontrolled outlet gates, demonstrate the commitment to maintaining the dam's functionality and safety standards.

Year Completed

1955

Dam Length

1360

Dam Height

17

River Or Stream

CLEAR CREEK-TR

Primary Dam Type

Earth

Surface Area

3

Hydraulic Height

17

Nid Storage

59

Structural Height

32

Outlet Gates

Uncontrolled - 0

Hazard Potential

High

Nid Height

32
       
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.