Techny Reservoir Dam, also known as Techney Reservoir, is a crucial structure located in Glenview, Illinois, along the West Fork North Branch Chicago River.
Wind
Humidity
Built in 1979 by Alfred Benesch & Co., this earth dam stands at a height of 11 feet and stretches 544 feet in length. Its primary purpose is flood risk reduction, with a storage capacity of 350 acre-feet and a spillway width of 89 feet.
Managed by the local government and regulated by the Illinois Department of Natural Resources, Techny Reservoir Dam plays a vital role in protecting the surrounding area from potential flooding. The dam's hazard potential is categorized as significant, with a moderate risk assessment score of 3. While its condition assessment is currently unavailable, regular inspections are conducted, with the last one taking place in October 2015.
Despite its age, Techny Reservoir Dam continues to serve as a critical infrastructure for flood control in Cook County. As water resource and climate enthusiasts, understanding the engineering and operational aspects of this dam provides valuable insights into sustainable water management practices and the importance of maintaining and monitoring our infrastructure to mitigate potential risks associated with extreme weather events.
Year Completed |
1979 |
Dam Length |
544 |
Dam Height |
11 |
River Or Stream |
WEST FORK NORTH BRANCH CHICAGO RIVER |
Primary Dam Type |
Earth |
Nid Storage |
350 |
Outlet Gates |
None |
Hazard Potential |
Significant |
Foundations |
Unlisted/Unknown |
Nid Height |
11 |