International Coal/Viper/North Slurry Impoundment Dam
Illinois — Logan County — TRIB LAKE FORK CR
Location
| State | Illinois |
| County | Logan |
| River | TRIB LAKE FORK CR |
| Coordinates | 40.01892, -89.45152 |
Physical Characteristics
| NID Height | 105 ft |
| Dam Height | 105 ft |
| Dam Length | 14,400 ft |
| NID Storage | 4,400 acre-ft |
| Max Storage | 4,400 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | September 3, 2024 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | — |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | ICG ILLINOIS, LLC |
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.