Shoal Creek Structure 2 Dam
Shoal Creek Structure 2 Dam is an earth dam located in Montgomery County, Illinois, built in 1963. It carries a Significant hazard potential classification.
About Shoal Creek Structure 2 Dam
The primary purpose of Shoal Creek Structure 2 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by City Of Litchfield (local government). It impounds the Trib West Fork Shoal Creek near Panama.
The dam stands 38 feet tall and stretches 600 feet across, creates a reservoir covering 137 acres, has a maximum storage capacity of 10,200 acre-feet, and collects water from a drainage area of 37 square miles. Completed in 1963, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 08/08/2025.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Illinois |
| County | Montgomery |
| Nearest City | Panama |
| River/Stream | Trib West Fork Shoal Creek |
| Coordinates | 39.27483, -89.61489 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 600 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 10,200 acre-ft |
| Max Storage | 10,200 acre-ft |
| Normal Storage | 361 acre-ft |
| Surface Area | 137 acres |
| Drainage Area | 37 sq mi |
| Max Discharge | 41,650 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CITY OF LITCHFIELD |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 08/08/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL00689 |
| Federal ID | IL00689 |
| More Info | State Dam Safety Program |