Hunters Overlook Reservoir Reservoir Report

Last Updated: December 5, 2025

Hunters Overlook Reservoir, also known as Demaske Dam, is a private water storage facility located in Weld County, Colorado.


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Summary

Built in 2018 by TZA Water Engineers, Inc., this Earth-type dam stands at a height of 19 feet and has a storage capacity of 542 acre-feet. With its primary purpose being irrigation, it also serves as a Fish and Wildlife Pond, contributing to the local ecosystem.

This reservoir covers a surface area of 40 acres and has a maximum discharge rate of 752 cubic feet per second. Despite its high hazard potential, the dam's condition assessment as of May 2020 was deemed satisfactory. The structure is equipped with an uncontrolled spillway, with a width of 20 feet, ensuring proper water management during periods of excess flow. The reservoir has a drainage area of 0 acres and is regulated by the Colorado Department of Water Resources, with state permitting, inspection, and enforcement in place.

Overall, Hunters Overlook Reservoir plays a vital role in supporting both agricultural needs and wildlife preservation in the region. Its modern design and capacity make it a significant asset for water resource management, while also highlighting the importance of sustainable practices in the face of climate change challenges. As a private facility, it stands as a testament to the collaborative efforts between private entities, engineering firms, and state regulatory agencies in ensuring the safe and efficient utilization of water resources for the benefit of the community.

Year Completed

2018

Dam Length

4955

Dam Height

19

Primary Dam Type

Earth

Surface Area

40

Hydraulic Height

19

Nid Storage

542

Structural Height

19

Hazard Potential

High

Foundations

Rock, Soil

Nid Height

19
       
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.