Hunter (Valley) Reservoir Report

Last Updated: December 6, 2025

Hunter (Valley) is a private irrigation dam located in the picturesque Valley County, Montana, along the TR-BLUFF CREEK.


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Summary

Built in 1963 by USDA NRCS, this Earth-type dam stands at a height of 20 feet and has a storage capacity of 94 acre-feet. With a low hazard potential and a condition assessment of "Not Rated," Hunter (Valley) serves as a vital resource for agricultural water supply in the region.

Managed by the DNRC, this dam is subject to state regulations, inspections, and enforcement to ensure its safety and functionality. Its primary purpose is irrigation, catering to the needs of local farmers and contributing to the sustainability of the area's agricultural practices. With a maximum discharge capacity of 600 cubic feet per second and a drainage area of 3.48 square miles, Hunter (Valley) plays a crucial role in water management and distribution in the region.

Congressman Greg Gianforte (R) represents the area where Hunter (Valley) is situated, highlighting the political significance of this water infrastructure project. As a key player in the local water resource management, Hunter (Valley) embodies the intersection of agriculture, climate, and infrastructure, making it a valuable asset for water resource and climate enthusiasts in the region.

Year Completed

1963

Dam Length

200

Dam Height

20

River Or Stream

TR-BLUFF CREEK

Primary Dam Type

Earth

Hydraulic Height

20

Drainage Area

3.48

Nid Storage

94

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.
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