Snow White Reservoir Report

Last Updated: December 13, 2025

Snow White, also known as Mud Creek Dam, is a privately owned structure located in Carter, Montana.


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Summary

Built in 1963 by the USDA NRCS, this earth dam stands at a height of 14 feet with a storage capacity of 400 acre-feet. Its primary purpose includes fire protection, stock maintenance, and serving as a small fish pond, offering essential resources for the local community.

Situated on the Mud Creek, Snow White plays a crucial role in water resource management in the region, with a low hazard potential and a condition assessment marked as "Not Rated." Despite lacking certain inspection and emergency preparedness details, the dam's design and construction by the Natural Resources Conservation Service reflect a commitment to safety and functionality. With a drainage area of 0.78 square miles and a maximum discharge of 10,000 cubic feet per second, this dam serves as a vital asset for water storage and management in the area.

The location of Snow White in Capitol, Montana, highlights its significance in providing water resources for agricultural, environmental, and recreational purposes. With state regulation and oversight by the DNRC, this dam stands as a testament to the collaborative efforts between private owners and government agencies in safeguarding water resources amidst changing climate conditions. As water resource and climate enthusiasts, understanding and appreciating the role of structures like Snow White is essential for sustainable water management in the face of evolving environmental challenges.

Year Completed

1963

Dam Length

1320

Dam Height

14

River Or Stream

MUD CREEK

Primary Dam Type

Earth

Surface Area

43

Hydraulic Height

11

Drainage Area

0.78

Nid Storage

400

Hazard Potential

Low

Nid Height

14
       
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.