Ziegler Farm Dam Reservoir Report

Last Updated: December 5, 2025

Ziegler Farm Dam, located in Riverton, Nebraska, serves as a vital component in the management of flood risk reduction along TR-School Creek.


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Summary

Constructed in 1960, this private earth dam stands at a height of 20.5 feet and spans a length of 455 feet, providing a storage capacity of 91.4 acre-feet. Despite its low hazard potential, the dam's condition has been assessed as poor as of the last inspection in April 2017.

Managed by the Nebraska Department of Natural Resources (NE DNR), Ziegler Farm Dam plays a crucial role in safeguarding the surrounding area from potential flooding events. With a drainage area of 1.26 square miles and a normal storage capacity of 64.9 acre-feet, this structure plays a key role in water resource management in Franklin County. Although the dam's condition is deemed poor, ongoing state inspections and enforcement efforts aim to ensure its continued functionality and safety.

Water resource and climate enthusiasts will appreciate the significance of Ziegler Farm Dam in mitigating flood risks and protecting the local community. As a privately owned structure regulated by the state, its role in flood risk reduction along TR-School Creek highlights the importance of effective dam management practices and the collaboration between private owners and state agencies to ensure the safety and resilience of water infrastructure in Nebraska.

Year Completed

1960

Dam Length

455

Dam Height

20.5

River Or Stream

TR-SCHOOL CREEK

Primary Dam Type

Earth

Surface Area

15.3

Hydraulic Height

20.5

Drainage Area

1.26

Nid Storage

91.4

Structural Height

20.5

Hazard Potential

Low

Foundations

Soil

Nid Height

21
       
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.