Andrews Dam 4054 Reservoir Report

Last Updated: December 6, 2025

Andrews Dam 4054, located in Gosper County, Nebraska, is a privately owned structure designed for flood risk reduction on the TR-DEER CREEK.


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Summary

Completed in 1980, this earth dam stands at a height of 22.2 feet and has a storage capacity of 203 acre-feet. With a normal storage level of 132.5 acre-feet, the dam covers a surface area of 20.7 acres and serves a drainage area of 1.4 square miles.

Managed by the Nebraska Department of Natural Resources (NE DNR), Andrews Dam 4054 has a low hazard potential and has not been rated for condition assessment. The dam, constructed with stone core types on a soil foundation, plays a crucial role in protecting the surrounding area from flooding events. Its inspection frequency is set at 5 years, with the last assessment conducted in June 2018.

Congressman Adrian Smith (R) represents the area where Andrews Dam 4054 is located, falling under Congressional District 03 of Nebraska. With state jurisdiction and regulatory oversight, this dam serves as a vital infrastructure for flood risk management in the region. Climate enthusiasts and water resource experts can appreciate the importance of such structures in safeguarding communities and ecosystems from the impacts of extreme weather events and changing climatic conditions.

Year Completed

1980

Dam Length

355

Dam Height

22.2

River Or Stream

TR-DEER CREEK

Primary Dam Type

Earth

Surface Area

20.7

Hydraulic Height

22.2

Drainage Area

1.4

Nid Storage

203

Structural Height

22.2

Hazard Potential

Low

Foundations

Soil

Nid Height

22
       
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.
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