Skeeter Detention Dam Reservoir Report
Nearby: Pines Dam Target Detention Dam
Last Updated: December 20, 2025
Skeeter Detention Dam, located in Valley, Montana, along Willow Creek/Milk River, was completed in 1964 by the Bureau of Land Management for flood risk reduction purposes.
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Summary
As a gravity dam standing at a structural height of 21 feet and a hydraulic height of 18 feet, it serves as a crucial infrastructure to protect the surrounding area from potential flooding events. With a storage capacity of 129.9 acre-feet and a moderate hazard potential rating, the dam plays a vital role in managing water resources in the region.
Despite its importance, Skeeter Detention Dam has an unsatisfactory condition assessment, indicating the need for maintenance and improvements to ensure its long-term functionality. The dam features an uncontrolled spillway type and a surface area of 30.78 acres, serving a drainage area of 2.1 square miles. Although it has a low hazard potential, regular inspections and risk management measures are essential to address any potential issues and maintain the dam's effectiveness in flood mitigation efforts. With its historical significance and continued relevance in water resource management, Skeeter Detention Dam stands as a testament to the importance of infrastructure in climate resilience and disaster prevention.
Year Completed |
1964 |
Dam Length |
837 |
River Or Stream |
WILLOW CK./MILK RIVER |
Primary Dam Type |
Gravity |
Surface Area |
30.78 |
Hydraulic Height |
18 |
Drainage Area |
2.1 |
Nid Storage |
129.9 |
Structural Height |
21 |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
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.
Skeeter Detention Dam