Wintermute Dam Reservoir Report
Nearby: Fisher Dam 4067 Walther Dam
Last Updated: December 5, 2025
Wintermute Dam, located in Frontier County, Nebraska, was completed in 1964 by the USDA NRCS and serves as a crucial flood risk reduction structure along TR-DEER CREEK.
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Summary
The dam, primarily constructed of earth and stone, stands at a height of 17 feet with a length of 225 feet, offering a maximum storage capacity of 103 acre-feet. Despite its low hazard potential and fair condition assessment, Wintermute Dam remains under the regulatory oversight of the Nebraska Department of Natural Resources, with state permitting, inspection, and enforcement procedures in place to ensure its continued safety and effectiveness.
Managed by a private entity, Wintermute Dam plays a vital role in protecting the surrounding area from potential flooding events, with a drainage area of 1.9 square miles and a maximum discharge capacity of 264 cubic feet per second. Although currently lacking in spillway infrastructure, the dam's emergency action plan is yet to be prepared, indicating room for improvement in terms of risk assessment and management. With its strategic location in HOLBROOK and under the jurisdiction of the state, Wintermute Dam stands as a testament to effective collaboration between public and private stakeholders in safeguarding water resources and mitigating climate-related hazards in the region.
Year Completed |
1964 |
Dam Length |
225 |
Dam Height |
17 |
River Or Stream |
TR-DEER CREEK |
Primary Dam Type |
Earth |
Surface Area |
5 |
Hydraulic Height |
17 |
Drainage Area |
1.9 |
Nid Storage |
103 |
Structural Height |
21 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
21 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
Wintermute Dam