Edwards Reservoir Reservoir Report
Nearby: Murnion Dam Virginia
Last Updated: December 6, 2025
Edwards Reservoir, located in Garfield County, Montana, is a private water resource managed by the Department of Natural Resources and Conservation (DNRC).
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Summary
Constructed in 1956, this earth dam stands at a height of 15 feet and has a storage capacity of 85 acre-feet, primarily used for fire protection, stock watering, and as a small fish pond. The reservoir is situated along Santo Arroyo Creek and is regulated by the state, with inspections and enforcement measures in place to ensure its safety and functionality.
Despite its modest size and low hazard potential, Edwards Reservoir plays a crucial role in supporting local water needs and enhancing ecological diversity in the area. The reservoir offers a reliable source of water for firefighting efforts, livestock watering, and recreational activities. With its strategic location and well-maintained infrastructure, Edwards Reservoir serves as a valuable asset in managing water resources and adapting to changing climate conditions in the region. Water and climate enthusiasts can appreciate the reservoir's significance in promoting sustainable water use and resilience in the face of environmental challenges.
As a key component of the water infrastructure in Montana, Edwards Reservoir exemplifies the importance of proactive management and regulatory oversight in safeguarding water resources for future generations. With its multiple purposes and state-regulated status, the reservoir reflects a commitment to balancing human needs with environmental protection. By upholding high standards of inspection, enforcement, and emergency preparedness, Edwards Reservoir stands as a model for sustainable water management practices in the region. For water resource and climate enthusiasts, the reservoir serves as a compelling case study in resilience and adaptation to a changing climate.
Year Completed |
1956 |
Dam Length |
300 |
Dam Height |
15 |
River Or Stream |
SANTO ARROYO CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
15 |
Nid Storage |
85 |
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.
Edwards Reservoir