Oregon Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Illinois |
| County | Ogle |
| Nearest City | GRAND DETOUR |
| River/Stream | ROCK RIVER |
| Coordinates | 42.01664, -89.32765 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 868 ft |
| Year Completed | 1914 (112 years old) |
Storage & Hydraulics
| NID Storage | 3,500 acre-ft |
| Max Storage | 3,500 acre-ft |
| Normal Storage | 3,500 acre-ft |
| Surface Area | 900 acres |
| Drainage Area | 8,205 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | ILLINOIS DEPARTMENT OF NATURAL RESOURCES |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 05/14/2025 |
| Emergency Action Plan | Yes |