Main Street Triangle Dam, located in Orland Park, Illinois, is a concrete structure designed by CBBEL with a primary purpose of flood risk reduction.
Wind
Humidity
Standing at a height of 9 feet and stretching 395 feet in length, this dam plays a crucial role in managing water flow along Mill Creek. The dam is state-regulated by the Illinois Department of Natural Resources, with provisions for state permitting, inspection, and enforcement in place to ensure its safe operation.
Despite its modest size, Main Street Triangle Dam has a significant hazard potential, as classified by risk assessments. The dam features an uncontrolled spillway with a width of 61 feet and is associated with the Mill Creek offstream. While the condition assessment is not available, regular inspections are carried out, with the last one conducted in September 2019. The dam poses a moderate risk, with risk management measures yet to be specified, highlighting the importance of ongoing monitoring and maintenance to mitigate potential hazards.
Water resource and climate enthusiasts interested in the intricate infrastructure of Main Street Triangle Dam will find its design features and regulatory oversight captivating. As a critical component in flood risk reduction in Cook County, Illinois, the dam serves as a vital asset in water management efforts. With a focus on public safety and environmental protection, the dam's operation and maintenance protocols are essential for ensuring the resilience of the surrounding communities in the face of changing climate patterns and water resource challenges.
Dam Length |
395 |
Dam Height |
9 |
River Or Stream |
MILL CREEK - OFFSTREAM |
Primary Dam Type |
Concrete |
Surface Area |
1.2 |
Drainage Area |
0.04 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Significant |
Foundations |
Unlisted/Unknown |
Nid Height |
9 |