Stybr #2 Reservoir Report

Last Updated: December 5, 2025

Stybr #2 is a privately owned irrigation dam located in Weld County, Colorado, along the Seguine Gulch river.


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Summary

Built in 1920, this earth dam stands at 16 feet tall with a length of 400 feet, providing storage for 100 acre-feet of water for agricultural purposes. With a low hazard potential and a satisfactory condition assessment, this dam plays a crucial role in water resource management in the region.

Managed by the Colorado Department of Water Resources, Stybr #2 is subject to state regulations, inspections, and enforcement to ensure its safety and functionality. The dam features an uncontrolled spillway and a maximum discharge capacity of 380 cubic feet per second. Despite its moderate risk level, the dam has not required any modifications or emergency response preparedness measures as of the latest inspection in September 2017.

Located in the city of Kersey, Stybr #2 serves as a vital piece of infrastructure for the local agriculture industry and demonstrates the importance of proper dam maintenance and oversight in the face of changing climate patterns. Water resource and climate enthusiasts can appreciate the role this dam plays in balancing water supply and demand in the region.

Year Completed

1920

Dam Length

400

Dam Height

16

River Or Stream

SEGUINE GULCH

Primary Dam Type

Earth

Surface Area

10

Hydraulic Height

16

Nid Storage

100

Structural Height

16

Hazard Potential

Low

Nid Height

16
       
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.