Bagnell Dam, located in Miller County, Missouri, is a gravity dam that was completed in 1931 for the primary purpose of hydroelectric power generation.
Wind
Humidity
With a height of 148 feet and a length of 2543 feet, Bagnell Dam holds a storage capacity of 2,677,000 acre-feet of water, making it a significant structure in the region. The dam sits on the Osage River and serves multiple functions, including flood risk reduction, recreation, and of course, generating hydroelectric power.
Managed by the Federal Energy Regulatory Commission, Bagnell Dam has a controlled spillway with a width of 520 feet and 12 Tainter (radial) outlet gates. The dam's high hazard potential and very high risk assessment underline the importance of its upkeep and maintenance to ensure the safety of surrounding communities and the integrity of the structure. Despite not being regulated by the state, Bagnell Dam plays a crucial role in managing water resources and climate considerations in the area, reflecting the intricate balance between human development and environmental conservation.
Year Completed |
1931 |
Dam Length |
2543 |
Dam Height |
148 |
River Or Stream |
Osage River |
Primary Dam Type |
Gravity |
Surface Area |
55342 |
Hydraulic Height |
90 |
Drainage Area |
14000 |
Nid Storage |
2677000 |
Structural Height |
148 |
Outlet Gates |
Tainter (radial) - 12 |
Hazard Potential |
High |
Foundations |
Rock |
Nid Height |
148 |
Osage River Near Bagnell
|
1020cfs |
Niangua River At Tunnel Dam Near Macks Creek
|
263cfs |
Osage River Below St. Thomas
|
1450cfs |
Gasconade River Near Hazelgreen
|
239cfs |
Moreau River Near Jefferson City
|
111cfs |
Missouri River At Jefferson City
|
37000cfs |