Andrews Dam 3671 Reservoir Report

Last Updated: December 6, 2025

Andrews Dam 3671, located in Furnas, Nebraska, serves a primary purpose of flood risk reduction along Crum Creek.


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Summary

This private-owned earth dam stands at a height of 14.9 feet and was completed in 1960, providing a maximum storage capacity of 93.2 acre-feet. Despite its low hazard potential, the dam's condition has not been officially rated as of the last inspection in August 2019.

Managed by the Nebraska Department of Natural Resources (DNR), Andrews Dam 3671 is regulated, permitted, inspected, and enforced by the state. With a drainage area of 0.84 square miles and a surface area of 8.6 acres, the dam plays a crucial role in managing water flow to prevent flooding in the surrounding area. Although not currently evaluated for emergency action preparedness, the dam's strategic location and design contribute to its key role in the local water resource management system.

For water resource and climate enthusiasts, Andrews Dam 3671 presents an intriguing case study in the intersection of infrastructure, environmental protection, and community safety. By understanding the dam's design, purpose, and regulatory oversight, individuals can gain insights into the complexities of managing water resources and mitigating flood risks in a dynamic natural environment like Nebraska.

Year Completed

1960

Dam Length

250

Dam Height

14.9

River Or Stream

CRUM CREEK

Primary Dam Type

Earth

Surface Area

8.6

Hydraulic Height

14.9

Drainage Area

0.84

Nid Storage

93.2

Structural Height

14.9

Hazard Potential

Low

Foundations

Soil

Nid Height

15
       
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.