Illinois Power Company Lake Dam
Low HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Vermilion |
| Nearest City | HILLERY |
| River/Stream | VERMILLION RIVER |
| Coordinates | 40.17225, -87.74571 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 80 ft |
| Dam Height | 80 ft |
| Dam Length | 500 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 2,400 acre-ft |
| Max Storage | 2,400 acre-ft |
| Normal Storage | 2,300 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | DYNEGY |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 09/08/2025 |
| Emergency Action Plan | No |