Ottawa Upground Reservoir
Ohio — Putnam County — BLANCHARD RIVER - OFFSTREAM
Location
| State | Ohio |
| County | Putnam |
| River | BLANCHARD RIVER - OFFSTREAM |
| Coordinates | 41.01333, -84.02306 |
Physical Characteristics
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 3,800 ft |
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Surface Area | 19 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | December 12, 2024 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1972 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Village of Ottawa |
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.