Standing at a height of 135 feet with a hydraulic height of 165.5 feet, this gravity dam spans 5,840 feet across the Clark Fork River. With a storage capacity of 400,000 acre-feet and a maximum discharge of 364,000 cubic feet per second, Noxon Rapids serves multiple purposes including hydroelectric power generation, fish and wildlife conservation, and recreational activities.
The dam's controlled spillway, with a width of 320 feet, helps manage water flow during periods of high inflow. Despite its hazard potential being rated as high, regular inspections by the Federal Energy Regulatory Commission ensure its structural integrity and safety. Noxon Rapids also boasts a surface area of 7,940 acres and drains an area of 21,800 acres, providing vital water resources for the region. As a significant player in the local ecosystem, the dam plays a crucial role in managing water levels and supporting wildlife habitats along the Clark Fork River.
For water resource and climate enthusiasts, Noxon Rapids represents a symbol of sustainable energy generation and environmental stewardship. Its very high risk assessment underscores the importance of effective risk management measures to safeguard the surrounding communities and ecosystems. With its impressive infrastructure and strategic location, Noxon Rapids stands as a testament to the intersection of human ingenuity and natural resource management in the dynamic landscape of Montana's waterways.
Year Completed |
1960 |
Dam Length |
5840 |
Dam Height |
135 |
River Or Stream |
Clark Fork River |
Primary Dam Type |
Gravity |
Surface Area |
7940 |
Hydraulic Height |
165.5 |
Drainage Area |
21800 |
Nid Storage |
400000 |
Structural Height |
260 |
Outlet Gates |
Tainter (radial) - 8 |
Hazard Potential |
High |
Foundations |
Rock, Soil |
Nid Height |
260 |
| Location | Reservations | Toilets |
|---|---|---|
Marten Creek
|
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Marten Creek Campground
|
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Bull River Campground and Group Site
|
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Bull River
|
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Bull River Campground
|
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North Shore
|