Harwood's Storage Reservoir Reservoir Report

Last Updated: December 5, 2025

Harwood's Storage Reservoir, also known as Kingfisher Lake, is a privately owned water resource located in Jefferson County, Colorado.


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Summary

This reservoir, completed in 1955, serves primarily for recreational purposes and boasts a maximum storage capacity of 184 acre-feet. With a dam height of 32 feet and a hydraulic height of 36 feet, this earth dam structure is designed to withstand significant hazards and has been assessed as being in satisfactory condition as of June 2020.

Situated along Weaver Gulch, Harwood's Storage Reservoir covers an area of 10 acres and has a maximum discharge capability of 340 cubic feet per second. Its uncontrolled spillway, 10 feet wide, enhances its ability to manage water flow effectively. The reservoir's risk assessment categorizes it as having a moderate risk level, with a hazard potential deemed significant. Regular inspections and enforcement by the Colorado Division of Water Resources ensure that this water storage facility continues to meet regulatory guidelines and maintain its safety standards.

For water resource and climate enthusiasts, Harwood's Storage Reservoir offers a valuable case study in the management and utilization of water resources for recreational purposes. Its strategic location in Lakewood, Colorado, and its efficient dam design highlight the importance of sustainable water infrastructure in mitigating risks and maximizing storage capacity. As climate change continues to impact water availability and quality, understanding the intricacies of reservoir management is crucial for ensuring the long-term resilience of water systems in the face of evolving environmental challenges.

Year Completed

1955

Dam Length

940

Dam Height

32

River Or Stream

WEAVER GULCH

Primary Dam Type

Earth

Surface Area

10

Hydraulic Height

36

Nid Storage

184

Structural Height

36

Hazard Potential

Significant

Nid Height

36
       
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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.