Located in Randolph County, Illinois, the Coulterville City Reservoir Dam, also known as City Reservoir, was designed by G.
Wind
Humidity
B. Davis and completed in 1939. This dam serves as a vital water supply source for the local community, with a storage capacity of 280 acre-feet and a normal storage level of 155 acre-feet. The dam stands at 15 feet high with a length of 420 feet, making it an essential structure for water resource management in the area.
Managed by the local government, the Coulterville City Reservoir Dam is regulated by the Illinois Department of Natural Resources (IDNR) and undergoes regular inspections to ensure its safety and functionality. With a low hazard potential and moderate risk assessment, the dam plays a crucial role in mitigating flood risks and maintaining water supply stability. Despite its uncontrolled spillway and outlet gates, the dam continues to provide reliable water resources for the surrounding community.
The Coulterville City Reservoir Dam is not only a key piece of infrastructure for water supply but also a symbol of effective water resource management in Illinois. With its historical significance and ongoing role in serving the community, this dam is a testament to the importance of sustainable water management practices in the face of a changing climate.
Year Completed |
1939 |
Dam Length |
420 |
Dam Height |
15 |
River Or Stream |
TRIB SOUTH FORK CREEK |
Primary Dam Type |
Earth |
Nid Storage |
280 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
15 |
Kaskaskia River At New Athens
|
431cfs |
Kaskaskia River Near Venedy Station
|
219cfs |
Silver Creek Near Freeburg
|
54cfs |
Little Crooked Creek Near New Minden
|
2cfs |
Richland Creek Near Hecker
|
15cfs |
Mississippi River At Chester
|
83100cfs |