Belvidere Dam
Illinois — Boone County — KISHWAUKEE RIVER
Location
| State | Illinois |
| County | Boone |
| River | KISHWAUKEE RIVER |
| Coordinates | 42.25452, -88.85191 |
Physical Characteristics
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 853 ft |
| NID Storage | 750 acre-ft |
| Max Storage | 750 acre-ft |
| Surface Area | 95 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | August 8, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1865 |
| Primary Purpose | Other |
| Dam Type | Other |
| Owner Type | State |
| Owner | ILLINOIS DEPARTMENT OF NATURAL RESOURCES |
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.