Ide And Starbird #2 Reservoir Report

Last Updated: December 5, 2025

Ide and Starbird #2 is a privately owned irrigation dam located in Weld County, Colorado, along the St.


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Summary

Vrain Creek. Built in 1885, this Earth-type dam stands at 10 feet high and spans 260 feet in length, with a storage capacity of 117 acre-feet. Despite its age, the dam has a low hazard potential and has not been rated for its condition, highlighting its stable and reliable structure.

This historic dam serves the primary purpose of irrigation, providing water for agricultural use in the region. With a maximum discharge capacity of 410 cubic feet per second and a surface area of 16 acres, Ide and Starbird #2 plays a crucial role in water resource management in the area. While it has not been inspected since 1984, it is regulated, permitted, and inspected by the Colorado Division of Water Resources, ensuring its compliance with state regulations and safety standards.

Although not operated by a federal agency, Ide and Starbird #2 remains a significant feature in the local water infrastructure, contributing to the overall water supply and agricultural activities in the region. As a key player in the irrigation network along the St. Vrain Creek, this dam showcases the importance of maintaining and monitoring aging infrastructure to sustainably manage water resources in the face of changing climate conditions.

Year Completed

1885

Dam Length

260

Dam Height

10

River Or Stream

ST. VRAIN CREEK-OS

Primary Dam Type

Earth

Surface Area

16

Hydraulic Height

10

Nid Storage

117

Structural Height

10

Hazard Potential

Low

Nid Height

10
       
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.