Gross Dam 8290 Reservoir Report
Nearby: Andrews Dam 4054 Bergstresser Dam
Last Updated: December 6, 2025
Gross Dam 8290, located in Gosper County, Nebraska, is a private-owned structure built in 1960 with a primary purpose of flood risk reduction.
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Summary
This earth dam stands at a height of 36.4 feet and stretches 370 feet in length, holding a maximum storage capacity of 57.7 acre-feet. Situated on TR-Muddy Creek, this dam plays a crucial role in managing water resources in the region and is regulated by the Nebraska Department of Natural Resources.
With a low hazard potential and a condition assessment that is currently not rated, Gross Dam 8290 serves as a vital infrastructure for water management in the area. Although the dam has not been modified in recent years and lacks certain inspection and emergency preparedness measures, it remains a key component in the local water system. Enthusiasts of water resources and climate will appreciate the dam's significance in flood control and its contribution to the overall water management efforts in Nebraska.
As water resource and climate enthusiasts delve deeper into the details of Gross Dam 8290, they will find a structure that not only serves its primary purpose of flood risk reduction but also contributes to other beneficial purposes. While the dam's condition assessment may not be rated, its strategic location on TR-Muddy Creek and its capacity to store water highlight its importance in ensuring water security for the surrounding area. As discussions around water management and climate resilience continue, Gross Dam 8290 stands as a tangible example of the intersection between infrastructure, natural resources, and environmental sustainability.
Year Completed |
1960 |
Dam Length |
370 |
Dam Height |
36.4 |
River Or Stream |
TR-MUDDY CREEK |
Primary Dam Type |
Earth |
Surface Area |
2.6 |
Hydraulic Height |
36.4 |
Drainage Area |
0.2 |
Nid Storage |
57.7 |
Structural Height |
36.4 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
36 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Republican River At Cambridge
|
60cfs |
Beaver Creek Near Beaver City
|
1cfs |
Red Willow Creek Near Red Willow
|
3cfs |
Sappa C Nr Lyle
|
1cfs |
Platte River Near Overton
|
1040cfs |
Spring Creek Nr Overton
|
7cfs |
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.
Gross Dam 8290