Shelbyville Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Illinois |
| County | Shelby |
| Nearest City | SHELBYVILLE |
| River/Stream | KASKASKIA RIVER |
| Coordinates | 39.40912, -88.78038 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 138 ft |
| Dam Height | 108 ft |
| Dam Length | 3,025 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 1,026,546 acre-ft |
| Max Storage | 1,026,546 acre-ft |
| Normal Storage | 207,832 acre-ft |
| Surface Area | 11,100 acres |
| Drainage Area | 1,054 sq mi |
| Max Discharge | 162,500 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | USACE - St. Louis District |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 05/25/2023 |
| Emergency Action Plan | Yes |