Big Timber #44 Reservoir Report
Nearby: Ballard #1 Big Timber #47
Last Updated: December 8, 2025
Big Timber #44, located in Rosebud, Montana, is a privately owned dam designed by the USDA NRCS for fire protection, stock, and as a small fish pond.
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Summary
Completed in 1973, this earth dam is 16 feet high and 400 feet long, with a storage capacity of 64 acre-feet. The dam serves the purpose of protecting the area from potential hazards while also providing valuable water resources for various uses.
Situated on TR-HORSE CREEK, Big Timber #44 is regulated by the Montana Department of Natural Resources and Conservation (DNRC) with state permitting, inspection, and enforcement in place. With a low hazard potential and a moderate risk assessment score of 3, the dam is considered to be in good condition and meets guidelines for emergency action plans. The spillway, with a width of 14 feet, helps to manage excess water flow and maintain the dam's integrity.
Overall, Big Timber #44 is an essential infrastructure for water resource management in the region, serving multiple purposes and providing valuable benefits to the surrounding community. With state oversight and a focus on safety and risk management, this dam plays a crucial role in safeguarding the area and ensuring efficient water supply for various needs.
Year Completed |
1973 |
Dam Length |
400 |
Dam Height |
16 |
River Or Stream |
TR-HORSE CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
16 |
Drainage Area |
1.88 |
Nid Storage |
64 |
Hazard Potential |
Low |
Nid Height |
16 |
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.
Big Timber #44