Mission Creek 6-A Reservoir Report
Nearby: Mission Creek 6-B Mission Creek 6-3
Last Updated: December 13, 2025
Mission Creek 6-A is a vital flood risk reduction structure located in Pawnee, Nebraska, designed by the USDA NRCS and regulated by the Nebraska Department of Natural Resources.
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Summary
Completed in 1977, this earth dam stands at a height of 36 feet and has a maximum storage capacity of 892 acre-feet, serving the primary purpose of flood risk reduction along Mission Creek. With a drainage area of 3.1 square miles and a normal storage capacity of 180 acre-feet, this structure plays a crucial role in mitigating potential flooding events in the region.
The dam, with a length of 1517 feet and a hydraulic height of 32 feet, has a satisfactory condition assessment as of June 2016 and a low hazard potential. While it currently does not have an Emergency Action Plan (EAP) in place or inundation maps prepared, the structure undergoes inspections every five years to ensure its continued effectiveness. Managed by the Natural Resources Conservation Service, Mission Creek 6-A is a key component in the flood management infrastructure of the area, providing essential protection to the surrounding communities and ecosystems.
Located in a strategic spot within the Mission Creek watershed, this flood risk reduction structure not only safeguards the local area from potential inundation but also contributes to the overall resilience of the region against the impacts of extreme weather events and climate change. As part of the network of water resource management systems in Nebraska, Mission Creek 6-A stands as a testament to the ongoing efforts to balance the needs of human development with the protection of natural resources, ensuring a sustainable and secure future for all stakeholders involved.
Year Completed |
1977 |
Dam Length |
1517 |
Dam Height |
36 |
River Or Stream |
TR-MISSION CREEK |
Primary Dam Type |
Earth |
Surface Area |
33 |
Hydraulic Height |
32 |
Drainage Area |
3.1 |
Nid Storage |
892 |
Structural Height |
37 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
37 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Big Blue R At Barneston Nebr
|
131cfs |
Big Blue R At Marysville
|
166cfs |
Turkey C Nr Seneca
|
15cfs |
Black Vermillion R Nr Frankfort
|
45cfs |
North Fork Big Nemaha River At Humboldt
|
67cfs |
L Blue R Nr Barnes
|
101cfs |
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.
Mission Creek 6-A