Stevens Creek A6-1 Reservoir Report

Last Updated: December 5, 2025

Stevens Creek A6-1 is a vital flood risk reduction structure located in Lancaster, Nebraska, specifically in the rural area of Lincoln.


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Summary

Completed in 2004, this earth dam stands at a height of 26 feet, with a structural height of 33 feet and a length of 900 feet. It serves the primary purpose of flood risk reduction for the surrounding area, offering a maximum storage capacity of 112 acre-feet and normal storage of 15 acre-feet, covering a surface area of 4 acres and draining an area of 0.3 square miles.

Owned by the local government and regulated by the Nebraska Department of Natural Resources, Stevens Creek A6-1 has a low hazard potential and is deemed to be in satisfactory condition as of the last inspection in June 2016. With a relatively low risk profile, this dam plays a crucial role in mitigating flood risks along the TR-Stevens Creek, with a maximum discharge capacity of 2568 cubic feet per second. Despite its remote location, this structure remains a key component of the flood management infrastructure in the region, showcasing the importance of sustainable water resource management in combating climate-related challenges.

In the face of increasing climate variability and extreme weather events, structures like Stevens Creek A6-1 highlight the significance of proactive flood risk reduction measures. As water resource and climate enthusiasts, understanding the design, function, and regulatory oversight of such infrastructure is crucial for promoting resilience and sustainability in the face of evolving environmental conditions. Stevens Creek A6-1 stands as a testament to the collaborative efforts between local governments, regulatory agencies, and the community to ensure the safety and well-being of residents in flood-prone areas, emphasizing the interconnectedness of water resources and climate resilience in shaping a more secure future.

Year Completed

2004

Dam Length

900

Dam Height

26

River Or Stream

TR-STEVENS CREEK

Primary Dam Type

Earth

Surface Area

4

Hydraulic Height

26

Drainage Area

0.3

Nid Storage

112

Structural Height

33

Hazard Potential

Low

Foundations

Soil

Nid Height

33
       
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.