J Galt #8 Reservoir Report
Nearby: E L Johnson #1 Hunnes #1
Last Updated: December 8, 2025
J Galt #8 is a private water resource located in Rosebud, Montana, serving multiple purposes including fire protection, stock, and small fish pond.
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Summary
The dam, completed in 1955, stands at a height of 15 feet and spans 350 feet in length. With a storage capacity of 377 acre-feet, the reservoir on Nelson Coulee is regulated by the Montana Department of Natural Resources and Conservation (DNRC).
Despite being classified as low hazard potential, the condition of J Galt #8 is currently not rated, indicating a need for further evaluation. The dam has not been inspected or assessed for emergency preparedness, with no established guidelines or risk management measures in place. With its important role in providing water resources for the community, it is essential for the owners and regulators to prioritize safety assessments and maintenance to ensure the continued functionality of the structure.
As a key component of the water infrastructure in the region, J Galt #8 serves as a vital resource for fire protection and agricultural purposes. With the potential for climate impacts and increasing water demands, it is imperative for stakeholders to address the current condition assessment gaps and implement necessary risk management measures to safeguard this valuable water resource for the future.
Year Completed |
1955 |
Dam Length |
350 |
Dam Height |
15 |
River Or Stream |
NELSON COULEE |
Primary Dam Type |
Earth |
Hydraulic Height |
15 |
Nid Storage |
377 |
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.
J Galt #8