Swan Creek 68 Reservoir Report

Last Updated: December 6, 2025

Swan Creek 68 is a local government-owned earth dam located in the city of Swanton, Nebraska, specifically on the TR-S FK Swan Creek river or stream.


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Summary

Built in 1995 by the USDA NRCS, this dam serves as a crucial flood risk reduction structure within the state. With a height of 40 feet and a length of 1352 feet, Swan Creek 68 has a storage capacity of 3584 acre-feet and covers a surface area of 49 acres, with a drainage area of 8.8 square miles.

Managed and regulated by the Nebraska Department of Natural Resources, Swan Creek 68 has a significant hazard potential but is currently in satisfactory condition as of the last inspection in April 2018. The dam is designed to handle a maximum discharge of 6854 cubic feet per second and is equipped with a stone core and soil foundation. While the dam meets state regulatory standards and undergoes regular inspections every three years, there is no Emergency Action Plan (EAP) in place as of the latest data update in May 2021.

Overall, Swan Creek 68 plays a vital role in protecting the surrounding community from potential flooding events and showcases the collaborative effort between local government and federal agencies in ensuring water resource management and climate resilience in the region. The dam's construction and maintenance by the Natural Resources Conservation Service exemplify the commitment to safeguarding water resources and mitigating flood risks in the state of Nebraska.

Year Completed

1995

Dam Length

1352

Dam Height

40

River Or Stream

TR-S FK SWAN CREEK

Primary Dam Type

Earth

Surface Area

49

Hydraulic Height

39

Drainage Area

8.8

Nid Storage

3584

Structural Height

46

Hazard Potential

Significant

Foundations

Soil

Nid Height

46
       
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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.