St. John Vianney Seminary Lake Dam
Ohio — Jefferson County — GRASSY CREEK
Location
| State | Ohio |
| County | Jefferson |
| River | GRASSY CREEK |
| Coordinates | 40.38722, -80.81250 |
Physical Characteristics
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 285 ft |
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Surface Area | 7 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Poor |
| EAP Status | No |
| Last Inspection | May 9, 2024 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1942 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Apostolate for Family Consecration |
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.