Lake George Dam
Illinois — Rock Island County — BIG BRANCH CREEK
Location
| State | Illinois |
| County | Rock Island |
| River | BIG BRANCH CREEK |
| Coordinates | 41.43438, -90.83297 |
Physical Characteristics
| NID Height | 78 ft |
| Dam Height | 78 ft |
| Dam Length | 1,090 ft |
| NID Storage | 6,355 acre-ft |
| Max Storage | 6,355 acre-ft |
| Surface Area | 167 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | March 11, 2026 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1962 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | ROCK ISLAND COUNTY FOREST PRESERVE DIST. |
| Other Name | Lake George |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.