Vienna Reservoir Dam
Illinois — Johnson County — TRIB LITTLE CACHE CREEK
Location
| State | Illinois |
| County | Johnson |
| River | TRIB LITTLE CACHE CREEK |
| Coordinates | 37.41981, -88.89179 |
Physical Characteristics
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 2,100 ft |
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | July 26, 2024 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1968 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | CITY OF VIENNA |
| Other Name | Vienna Reservoir |
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.