Upper Salt Creek 6-4 Reservoir Report
Nearby: Upper Salt Creek 6-A Navratil Dam
Last Updated: December 5, 2025
Upper Salt Creek 6-4 is a local government-owned earth dam located in Lancaster, Nebraska, along the Spring Branch of Salt Creek.
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Summary
Designed by the USDA NRCS and completed in 1957, this dam serves a primary purpose of flood risk reduction and has a normal storage capacity of 10 acre-feet. With a height of 23 feet and a length of 600 feet, Upper Salt Creek 6-4 plays a crucial role in managing water resources in the area, with a low hazard potential and a satisfactory condition assessment.
Managed by the Nebraska Department of Natural Resources, this dam is regulated, permitted, inspected, and enforced by state agencies to ensure its safety and functionality. The dam's location in Sprague, Nebraska, highlights its importance in protecting the surrounding area from potential flooding events, with a maximum discharge capacity of 240 cubic feet per second. Despite its low hazard potential, Upper Salt Creek 6-4 undergoes regular inspections every 5 years to assess its condition and ensure it meets safety standards for effective flood risk reduction.
Overall, Upper Salt Creek 6-4 stands as a vital infrastructure in Nebraska's water resource management system, contributing to flood risk reduction efforts and safeguarding the local community from potential disasters. With its earth dam structure and stone core design, this dam exemplifies the collaboration between local government and federal agencies like the USDA NRCS to create sustainable solutions for climate resilience and water resource management in the region.
Year Completed |
1957 |
Dam Length |
600 |
Dam Height |
23 |
River Or Stream |
SPRING BR SALT CREEK |
Primary Dam Type |
Earth |
Surface Area |
3 |
Hydraulic Height |
21 |
Drainage Area |
0.6 |
Nid Storage |
50 |
Structural Height |
25 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
25 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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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