Crescent Lake Dam, located in Ophiem, Henry, Illinois, is a privately owned earth dam completed in 1900 primarily designed for recreational purposes.
Wind
Humidity
With a dam height of 31 feet and a length of 475 feet, the dam provides a storage capacity of 249 acre-feet, with a normal storage level of 186 acre-feet. The dam is situated on the tributaries of Mud Creek and Edwards Creek, making it an essential water resource in the area.
Managed by the Illinois Department of Natural Resources, Crescent Lake Dam is regulated, permitted, inspected, and enforced by the state agency to ensure its safety and compliance with regulations. The dam has an uncontrolled spillway and outlet gates, with a significant hazard potential and a moderate risk level assessed. While the condition assessment of the dam is not available, regular inspections are conducted every three years, with the last inspection carried out in April 2018.
For water resource and climate enthusiasts, Crescent Lake Dam offers a fascinating glimpse into the intersection of human engineering and environmental conservation. As a recreational dam in a picturesque location, it serves as a vital water source for the community while facing challenges of potential hazards and the need for risk management measures. Its historical significance and ongoing regulatory oversight make it a noteworthy site for those interested in water infrastructure and climate resilience efforts.
Year Completed |
1900 |
Dam Length |
475 |
Dam Height |
31 |
River Or Stream |
TRIB MUD CREEK, EDWARDS CREEK |
Primary Dam Type |
Earth |
Nid Storage |
249 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Significant |
Foundations |
Unlisted/Unknown |
Nid Height |
31 |
Edwards River Near Orion
|
66cfs |
Mill Creek At Milan
|
3cfs |
Green River Near Geneseo
|
185cfs |
Crow Creek At Bettendorf
|
5cfs |
Duck Creek At Dc Golf Course At Davenport
|
63cfs |
Rock River Near Joslin
|
4400cfs |