Pishkun Dike 8 Reservoir Report
Nearby: Pishkun Dike 1 Pishkun Dike 2
Last Updated: December 5, 2025
Pishkun Dike 8, a Federal-owned structure located in Choteau, Montana, serves as a key component for irrigation purposes along the Deep Creek TR river.
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Summary
Completed in 1931 by the Bureau of Reclamation, this Earth dam stands at 16 feet in height and spans 150 feet in length. With a storage capacity of 46,670 acre-feet and a surface area of 1550 acres, Pishkun Dike 8 plays a crucial role in water resource management in the region.
Despite its age, Pishkun Dike 8 remains a vital infrastructure for water storage and distribution in Teton County, Montana. The dam's high hazard potential and risk assessment rating underscore the importance of regular inspections and maintenance to ensure its structural integrity and safety. Managed by the Bureau of Reclamation, Pishkun Dike 8 is part of a network of seven associated structures that collectively support irrigation activities in the area. Climate and water resource enthusiasts will find this dam's history and operational details intriguing, especially in the context of its role in sustaining agricultural activities in the region.
As climate change continues to impact water availability and quality, Pishkun Dike 8 stands as a testament to the enduring importance of water infrastructure in managing and adapting to environmental challenges. With no state jurisdiction or regulation, the Federal oversight provided by the Bureau of Reclamation is crucial for ensuring the continued functionality and resilience of this essential water management asset. For enthusiasts interested in the intersection of water resources, climate resilience, and infrastructure management, Pishkun Dike 8 offers a compelling case study of the ongoing efforts to safeguard water security in a changing world.
Year Completed |
1931 |
Dam Length |
150 |
Dam Height |
16 |
River Or Stream |
DEEP CREEK TR |
Primary Dam Type |
Earth |
Surface Area |
1550 |
Hydraulic Height |
3 |
Nid Storage |
46670 |
Structural Height |
13 |
Hazard Potential |
High |
Foundations |
Rock |
Nid Height |
16 |
Seasonal Comparison
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Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Pishkun Dike 8