Johnson Dam 756 Reservoir Report

Last Updated: December 5, 2025

Johnson Dam 756, located in Kimball, Nebraska, is a privately owned structure designed by the USDA NRCS and regulated by the Nebraska Department of Natural Resources.


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Summary

Completed in 1973, this earth dam stands at a height of 26 feet and has a structural height of 32 feet, providing flood risk reduction for the Lodgepole Creek watershed. With a storage capacity of 529 acre-feet and a drainage area of 5.7 square miles, Johnson Dam 756 plays a crucial role in managing water resources in the region.

Despite its low hazard potential and satisfactory condition assessment, Johnson Dam 756 undergoes regular inspections every five years to ensure its continued functionality and safety. The dam's emergency action plan and risk management measures are currently under review, highlighting the importance of proactive maintenance and preparedness in water resource management. As a key infrastructure in the area, Johnson Dam 756 serves as a testament to the collaboration between private owners, government agencies, and local communities in safeguarding against flooding and protecting the environment.

As water resource and climate enthusiasts, the significance of Johnson Dam 756 lies not only in its physical attributes and operational capabilities but also in its role as a symbol of resilience and adaptation in the face of changing environmental conditions. By understanding the intricacies of this structure and its management, we can appreciate the interconnectedness of water resources, infrastructure, and community well-being, underscoring the importance of sustainable practices and effective governance in safeguarding our natural resources for future generations.

Year Completed

1973

Dam Length

1038

Dam Height

26

River Or Stream

TR-LODGEPOLE CREEK

Primary Dam Type

Earth

Surface Area

15

Hydraulic Height

26

Drainage Area

5.7

Nid Storage

529

Structural Height

32

Hazard Potential

Low

Foundations

Soil

Nid Height

32
       
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.