Plum Creek 4-G Reservoir Report
Nearby: Plum Creek 4-B Plum Creek 4-D
Last Updated: January 1, 2026
Plum Creek 4-G, located in Pawnee, Nebraska, is a crucial earth dam constructed in 1963 by the USDA NRCS to address flood risk reduction in the region.
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Summary
With a height of 30 feet and a length of 674 feet, this dam serves to protect the surrounding area from potential flooding events, utilizing a stone core and soil foundation for structural integrity. The dam has a storage capacity of 121 acre-feet, with a normal storage level of 17 acre-feet, covering a surface area of 9 acres and draining a 0.5 square mile watershed.
Managed by the local government and regulated by the Nebraska Department of Natural Resources, Plum Creek 4-G undergoes regular inspections and enforcement to ensure its functionality and safety. Despite its low hazard potential, the dam's condition assessment in 2017 was deemed poor, indicating a need for potential maintenance or rehabilitation. The dam has a designated emergency action plan and inspection frequency of every 5 years to address any potential risks or emergencies that may arise.
As a vital part of the flood control infrastructure in the area, Plum Creek 4-G plays a crucial role in protecting the local community from potential flooding events. With its strategic location along the Plum Creek river/stream and partnership with the USDA NRCS, this dam stands as a testament to the collaborative efforts in water resource management and climate resilience in Nebraska.
Year Completed |
1963 |
Dam Length |
674 |
Dam Height |
30 |
River Or Stream |
TR-PLUM CREEK |
Primary Dam Type |
Earth |
Surface Area |
9 |
Hydraulic Height |
29 |
Drainage Area |
0.5 |
Nid Storage |
121 |
Structural Height |
33 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
33 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Big Blue R At Barneston Nebr
|
131cfs |
Turkey C Nr Seneca
|
4cfs |
Big Blue R At Marysville
|
119cfs |
North Fork Big Nemaha River At Humboldt
|
67cfs |
Turkey Creek Near De Witt
|
10cfs |
Black Vermillion R Nr Frankfort
|
34cfs |
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.
Plum Creek 4-G