Palm Ranch #2 Reservoir Report

Last Updated: December 5, 2025

Palm Ranch #2, located in Ismay, Montana, is a privately owned irrigation dam completed in 1961 on TR-Milk Creek.


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Summary

With a height of 10 feet and a length of 400 feet, it provides a storage capacity of 139 acre-feet for irrigation purposes. The dam is regulated by the Montana Department of Natural Resources and Conservation (DNRC) and is inspected, permitted, and enforced by state agencies to ensure its safety and compliance with regulations.

Despite being classified as having a low hazard potential, Palm Ranch #2 has not been rated for its condition assessment. The dam has not undergone modifications in recent years and lacks emergency action plans and risk assessment measures. However, it meets state regulatory guidelines and is subject to regular inspections to monitor its integrity and functionality. The dam's primary purpose of irrigation highlights its importance in supporting agricultural activities in the Fallon County area.

Water resource and climate enthusiasts interested in the management and sustainability of irrigation infrastructure in Montana may find Palm Ranch #2 to be an intriguing case study. With its location on TR-Milk Creek and its role in supporting agricultural activities in the region, the dam serves as a vital resource for water storage and distribution. Continued monitoring and maintenance of Palm Ranch #2 are essential to ensure its long-term reliability and resilience in the face of changing climatic conditions and water resource demands.

Year Completed

1961

Dam Length

400

Dam Height

10

River Or Stream

TR-MILK CREEK

Primary Dam Type

Earth

Hydraulic Height

10

Nid Storage

139

Hazard Potential

Low

Nid Height

10
       
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.