Lonaconing Reservoir
Maryland — Allegany County — Jackson Run
Location
| State | Maryland |
| County | Allegany |
| River | Jackson Run |
| Coordinates | 39.55210, -78.97428 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 185 ft |
| NID Storage | 22 acre-ft |
| Max Storage | 22 acre-ft |
| Surface Area | 2 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | No |
| Last Inspection | November 19, 2024 |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1895 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Public Utility |
| Owner | Lonaconing Water Co |
| Other Name | Charlestown Reservoir;Lonaconing Water Treatment Plant No. 1 |
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.