Mottville is a captivating hydroelectric dam located in St.
Wind
Humidity
Joseph, Michigan, along the scenic St. Joseph River. Built in 1920, this gravity dam stands at 23 feet tall and spans 846 feet in length, providing a storage capacity of 4256 acre-feet. With a maximum discharge of 20610 cubic feet per second and a controlled spillway width of 241 feet, Mottville plays a crucial role in regulating water flow and generating hydropower for the region.
Managed by the Federal Energy Regulatory Commission, Mottville serves as a hub for both hydroelectric power generation and recreational activities. The dam features a Tainter radial gate system with 10 gates for controlled water release, ensuring safety and efficiency in operations. Despite its high hazard potential, Mottville's risk management measures are in place to mitigate any potential risks, with a detailed emergency action plan last revised in May 2019.
With its rich history, impressive engineering design, and essential role in water resource management, Mottville stands as a symbol of sustainable energy production and environmental stewardship. Visitors to Mottville can witness the harmonious blend of human ingenuity and natural beauty, making it a must-visit destination for water resource and climate enthusiasts seeking to explore the intersection of technology and nature.
Year Completed |
1920 |
Dam Length |
846 |
Dam Height |
23 |
River Or Stream |
St Joseph River |
Primary Dam Type |
Gravity |
Surface Area |
378 |
Hydraulic Height |
13 |
Drainage Area |
1866 |
Nid Storage |
4256 |
Outlet Gates |
Tainter (radial) - 10 |
Hazard Potential |
High |
Foundations |
Rock, Soil |
Nid Height |
23 |
St. Joseph River At Mottville
|
891cfs |
Pigeon River Near Scott
|
116cfs |
St. Joseph River At Three Rivers
|
588cfs |
St. Joseph River At Elkhart
|
1520cfs |
Elkhart River At Goshen
|
170cfs |
Prairie River Near Nottawa
|
45cfs |