Roachtown Lake Dam, located in Douglas, Illinois, is a privately owned Earth dam that was completed in 1963 by the USDA NRCS.
Wind
Humidity
The dam's primary purpose is for recreation, with a storage capacity of 164 acre-feet and a maximum discharge of 164 cubic feet per second. The dam stands at a height of 21 feet with a length of 330 feet, serving as a key feature in the beautiful Roachtown Lake area.
Managed by the IDNR, Roachtown Lake Dam is state-regulated and regularly inspected to ensure the safety of its low hazard potential. Despite its moderate risk assessment, the dam has not undergone a recent condition assessment. It is equipped with an uncontrolled spillway and outlet gates, providing drainage for the tributary of Douglas Creek. With its scenic location and recreational opportunities, Roachtown Lake Dam is a popular destination for water resource and climate enthusiasts to explore and enjoy the natural beauty of St. Clair County, Illinois.
Year Completed |
1963 |
Dam Length |
330 |
Dam Height |
21 |
River Or Stream |
TRIB DOGLAS CREEK |
Primary Dam Type |
Earth |
Nid Storage |
164 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
21 |
Richland Creek Near Hecker
|
13cfs |
Silver Creek Near Freeburg
|
28cfs |
Kaskaskia River At New Athens
|
549cfs |
Martigney Creek Near Arnold
|
0cfs |
Mississippi River At St. Louis
|
80100cfs |
Gravois Creek Near Mehlville
|
4cfs |