Powerton Cooling Lake Dam
Illinois — Tazewell County — ILLINOIS RIVER-OFFSTREAM
Location
| State | Illinois |
| County | Tazewell |
| River | ILLINOIS RIVER-OFFSTREAM |
| Coordinates | 40.55548, -89.71207 |
Physical Characteristics
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 31,200 ft |
| NID Storage | 25,630 acre-ft |
| Max Storage | 25,630 acre-ft |
| Surface Area | 1,440 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | October 8, 2025 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1970 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | MIDWEST GENERATION, POWERTON STATION |
| Other Name | Powerton Cooling Lake |
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.