Belvidere Dam
Low HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Boone |
| Nearest City | BELVIDERE |
| River/Stream | KISHWAUKEE RIVER |
| Coordinates | 42.25452, -88.85191 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 853 ft |
| Year Completed | 1865 (161 years old) |
Storage & Hydraulics
| NID Storage | 750 acre-ft |
| Max Storage | 750 acre-ft |
| Normal Storage | 220 acre-ft |
| Surface Area | 95 acres |
| Drainage Area | 538 sq mi |
| Max Discharge | 9,080 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | ILLINOIS DEPARTMENT OF NATURAL RESOURCES |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 08/08/2025 |
| Emergency Action Plan | No |