Youngstown Upground Reservoir
Ohio — Mahoning County — OFFSTREAM
Location
| State | Ohio |
| County | Mahoning |
| River | OFFSTREAM |
| Coordinates | 41.10556, -80.70833 |
Physical Characteristics
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 1,584 ft |
| NID Storage | 101 acre-ft |
| Max Storage | 101 acre-ft |
| Surface Area | 4 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | November 10, 2021 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1929 |
| Primary Purpose | Water Supply |
| Dam Type | Concrete |
| Owner Type | Local Government |
| Owner | Mahoning Valley Sanitary District |
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.