Duck Fields Reservoir Report

Last Updated: December 5, 2025

Duck Fields is a privately-owned irrigation dam located in Broadwater, Montana, specifically in the town of Townsend.


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Summary

Constructed in 1960, this earth dam stands at a height of 20 feet and has a storage capacity of 82 acre-feet, primarily used for irrigation purposes in the area. Situated on the TR-North Fork Duck Creek, this low-hazard dam is regulated by the Montana Department of Natural Resources and Conservation (DNRC) and undergoes regular state inspections and enforcement measures to ensure its safety and compliance with regulations.

With its location in a picturesque rural setting and its vital role in providing water for agricultural needs, Duck Fields serves as a crucial resource for the local community. Despite its relatively low hazard potential and undetermined condition rating, the dam continues to play a key role in supporting the region's water management efforts. The dam's design and construction, overseen by private owners, reflect a commitment to maintaining a sustainable water supply for irrigation purposes while adhering to state regulations and permitting requirements. For water resource and climate enthusiasts, Duck Fields offers a fascinating example of the intersection between human infrastructure and natural water systems in Montana.

As a part of the Walla Walla District and located in Congressional District 00, Montana, Duck Fields stands as a testament to the importance of water management and infrastructure in rural agricultural communities. With a rich history dating back to its completion in 1960, this earth dam continues to contribute to the region's agricultural productivity and water security. For those interested in the intersection of water resources, climate, and infrastructure development, Duck Fields provides a compelling case study of how private ownership and state regulation can work together to ensure the sustainable and efficient use of water for irrigation purposes in Montana.

Year Completed

1960

Dam Length

400

Dam Height

20

River Or Stream

TR-NORTH FORK DUCK CREEK

Primary Dam Type

Earth

Hydraulic Height

20

Nid Storage

82

Hazard Potential

Low

Nid Height

20
       
Seasonal Comparison

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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.