Rockton, located in Winnebago, Illinois, is a hydroelectric dam on the Rock River that serves as a vital water resource in the area.
Wind
Humidity
Built in 1929, this Rockfill dam stands at 7 feet tall and spans 2365 feet, with a storage capacity of 1031 acre-feet. Managed by a public utility and regulated by the Illinois Department of Natural Resources, Rockton plays a crucial role in water management and energy production in the region.
The dam's primary purpose is hydroelectric power generation, with a spillway width of 1000 feet and 5 Tainter (radial) outlet gates. Despite its low hazard potential, Rockton undergoes regular inspections by the Federal Energy Regulatory Commission to ensure its structural integrity and operational efficiency. With a drainage area of 3700 square miles and a surface area of 155 acres, Rockton contributes to flood control and water supply management, making it a key asset for climate and water resource enthusiasts in the area.
Overall, Rockton stands as a historic and functional landmark in the water resource landscape of Illinois. With its moderate risk assessment and adherence to regulatory guidelines, this hydroelectric dam continues to play a significant role in water management, energy production, and environmental stewardship in the region. For those passionate about water resources and climate resilience, Rockton offers a fascinating case study in sustainable infrastructure and the intersection of human development with natural ecosystems.
Year Completed |
1929 |
Dam Length |
2365 |
Dam Height |
7 |
River Or Stream |
Rock River |
Primary Dam Type |
Rockfill |
Surface Area |
155 |
Drainage Area |
3700 |
Nid Storage |
1031 |
Outlet Gates |
Tainter (radial) - 5 |
Hazard Potential |
Low |
Nid Height |
7 |
Rock River At Rockton
|
2710cfs |
Pecatonica River Nr Shirland
|
1150cfs |
Rock River At Afton
|
1590cfs |
Turtle Creek At Carvers Rock Road Near Clinton
|
63cfs |
Kishwaukee River At Belvidere
|
105cfs |
Kishwaukee River Near Perryville
|
275cfs |