Snowy Mountain Reservoir Report
Nearby: Pony Dam Durfee Creek Dam
Last Updated: December 28, 2025
Snowy Mountain, located in Musselshell County, Montana, is a privately owned dam with a primary purpose of providing fire protection, stock water, and serving as a small fish pond.
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Summary
Built in 1960, this earthen dam stands at a height of 15 feet and has a storage capacity of 111 acre-feet. The dam is situated on Pole Creek, approximately 28 miles from the city of Roundup.
Managed by the Montana Department of Natural Resources and Conservation (DNRC), Snowy Mountain is regulated and inspected by the state to ensure its safety and compliance with regulations. The dam has a low hazard potential and its condition is currently not rated. While the dam does not have a formal Emergency Action Plan (EAP) in place, it meets guidelines for risk assessment and management measures.
Overall, Snowy Mountain serves as a vital water resource for the local community, providing essential services for fire protection, livestock, and recreational purposes. Enthusiasts interested in water resource management and climate change in the region may find the history and current status of Snowy Mountain to be of significant interest.
Year Completed |
1960 |
Dam Length |
240 |
Dam Height |
15 |
River Or Stream |
POLE CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
15 |
Nid Storage |
111 |
Hazard Potential |
Low |
Nid Height |
15 |
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.
Snowy Mountain