Cub Creek 12-A Reservoir Report
Nearby: Cub Creek 10-C Cub Creek 12-C
Last Updated: December 6, 2025
Cub Creek 12-A is a significant earth dam located in Jefferson, Nebraska, designed by the USDA NRCS with a primary purpose of flood risk reduction.
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Summary
Completed in 1970, this dam stands at a height of 36 feet and has a storage capacity of 1201 acre-feet, serving a drainage area of 3.4 square miles. With a structural height of 37 feet and a length of 1090 feet, this dam plays a crucial role in managing water resources in the region.
Managed by the local government and regulated by the NE DNR, Cub Creek 12-A has a satisfactory condition assessment and a significant hazard potential. Its last inspection in May 2019 revealed that the dam meets guidelines for emergency action plans, although specific details on risk assessment and management measures are currently unavailable. With a maximum discharge capacity of 1029 cubic feet per second, this dam plays a vital role in protecting the surrounding area from potential flooding events, highlighting the importance of effective water resource management in the face of changing climate conditions.
As a key flood risk reduction infrastructure in Nebraska, Cub Creek 12-A serves as a critical piece of the state's water resource management strategy. With its stone core and soil foundation, this dam stands as a testament to the collaborative efforts between federal agencies like the USDA NRCS and state regulators like the NE DNR in safeguarding communities against the impacts of extreme weather events. The ongoing maintenance and inspection of Cub Creek 12-A underscore the commitment to ensuring its continued effectiveness in mitigating flood risks and protecting the environment for future generations.
Year Completed |
1970 |
Dam Length |
1090 |
Dam Height |
36 |
River Or Stream |
TR-CUB CREEK |
Primary Dam Type |
Earth |
Surface Area |
41 |
Hydraulic Height |
36 |
Drainage Area |
3.4 |
Nid Storage |
1201 |
Structural Height |
37 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
37 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Little Blue River Near Fairbury
|
230cfs |
Turkey Creek Near De Witt
|
10cfs |
Little Blue R At Hollenberg
|
70cfs |
Big Blue River Near Crete
|
95cfs |
Big Blue R At Barneston Nebr
|
131cfs |
Mill C At Washington
|
8cfs |
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.
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
Leisure Lake WMA
|
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Rock Creek Station State Rec Area
|
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Diller City Park
|
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Crystal Springs Lake
|
Cub Creek 12-A