Savage Reservoir Report

Nearby: Askin Rieger

Last Updated: December 5, 2025

Savage is a private earth dam located in Ismay, Montana, designed by the USDA NRCS for purposes of fire protection, stock, and small fish pond.


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Summary

Completed in 1960, this dam has a height of 20 feet and a length of 530 feet, with a maximum storage capacity of 65 acre-feet. It is regulated by the Montana Department of Natural Resources and Conservation (DNRC) and is inspected, permitted, and enforced by the state agency.

The dam is situated on the TR-Hay Creek river/stream, with a drainage area of 1.36 square miles and a maximum discharge capacity of 491 cubic feet per second. It has an uncontrolled spillway with a width of 131 feet and a low hazard potential. Despite being rated as "Moderate (3)" in terms of risk assessment, the dam's condition assessment is currently not rated. The emergency action plan status, inundation maps, and risk management measures for Savage are currently not available, highlighting the need for further evaluation and preparedness measures.

In conclusion, Savage serves as a vital resource for water management and environmental conservation in Fallon County, Montana. As water resource and climate enthusiasts, it is crucial to monitor and assess the condition of this dam to ensure its functionality and safety for the surrounding community and ecosystem. Collaboration between stakeholders, regulatory agencies, and the public is essential to effectively manage the risks associated with this important infrastructure.

Year Completed

1960

Dam Length

530

Dam Height

20

River Or Stream

TR-HAY CREEK

Primary Dam Type

Earth

Hydraulic Height

18

Drainage Area

1.36

Nid Storage

65

Hazard Potential

Low

Nid Height

20
       
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.