Decker Lake Dam
Ohio — Miami County — PATTERSON RUN
Location
| State | Ohio |
| County | Miami |
| River | PATTERSON RUN |
| Coordinates | 40.18806, -84.28333 |
Physical Characteristics
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 305 ft |
| NID Storage | 163 acre-ft |
| Max Storage | 163 acre-ft |
| Surface Area | 17 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | October 30, 2024 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1940 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | State |
| Owner | ODNR, Division of Wildlife |
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.