Spring Creek 9-4 Reservoir Report
Nearby: Spring Creek 9-5 Spring Creek 9-A 641
Last Updated: December 13, 2025
Spring Creek 9-4 is a vital earth dam located in Johnson, Nebraska, with a primary purpose of flood risk reduction.
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Summary
Completed in 1973, this structure stands at 25 feet high and spans 435 feet in length, providing essential protection to the surrounding area. Managed by the USDA NRCS and regulated by the NE DNR, this dam has a low hazard potential and is in satisfactory condition as of the last inspection in June 2016.
With a storage capacity of 51 acre-feet and a drainage area of 0.3 square miles, Spring Creek 9-4 plays a crucial role in managing water resources in the region. Its location on TR-SPRING CREEK ensures that it serves as a key defense against potential flooding events, with a maximum discharge capacity of 560 cubic feet per second. Despite its age, the dam continues to meet regulatory standards and is regularly inspected to ensure its effectiveness in protecting the local community.
As water resource and climate enthusiasts, understanding the significance of structures like Spring Creek 9-4 is essential in safeguarding our environment and communities against the impacts of extreme weather events. With proper management and maintenance, this earth dam continues to fulfill its purpose of flood risk reduction, highlighting the importance of sustainable water infrastructure in mitigating the effects of climate change.
Year Completed |
1973 |
Dam Length |
435 |
Dam Height |
23 |
River Or Stream |
TR-SPRING CREEK |
Primary Dam Type |
Earth |
Surface Area |
4 |
Hydraulic Height |
20 |
Drainage Area |
0.3 |
Nid Storage |
51 |
Structural Height |
25 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
25 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Little Nemaha River At Auburn
|
82cfs |
North Fork Big Nemaha River At Humboldt
|
67cfs |
Missouri River At Nebraska City
|
25000cfs |
Weeping Water Creek At Union
|
20cfs |
Turkey C Nr Seneca
|
15cfs |
Nishnabotna River Above Hamburg
|
639cfs |
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.
Spring Creek 9-4