Torger Dam Reservoir Report

Last Updated: December 5, 2025

Torger Dam, located in Petroleum County, Montana, is a privately-owned structure primarily used for irrigation purposes.


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Summary

Constructed in 1976, the earth-filled dam stands at a height of 18 feet and spans 200 feet in length. With a storage capacity of 308 acre-feet, the dam plays a significant role in providing water resources for agricultural activities in the region.

Managed by the Montana Department of Natural Resources and Conservation (DNRC), Torger Dam is regulated, inspected, and enforced by the state agency to ensure its safety and compliance with regulations. Despite being classified as having a significant hazard potential, the dam's condition assessment is currently not rated, indicating a need for further evaluation to assess its structural integrity and potential risks.

Situated along the TR-Dovetail Creek, Torger Dam serves as a vital infrastructure supporting the local irrigation system. As climate change continues to impact water resources, the maintenance and monitoring of dams like Torger are essential to sustainably manage water supplies and mitigate potential hazards associated with extreme weather events.

Year Completed

1976

Dam Length

200

Dam Height

18

River Or Stream

TR-DOVETAIL CREEK

Primary Dam Type

Earth

Hydraulic Height

18

Nid Storage

308

Hazard Potential

Significant

Nid Height

18
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.