Lake Ashburton Reservoir and Storage Tanks
Maryland — Baltimore City County — Offstream-Gwynns Run
Location
| State | Maryland |
| County | Baltimore City |
| River | Offstream-Gwynns Run |
| Coordinates | 39.31916, -76.66876 |
Physical Characteristics
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 1,700 ft |
| NID Storage | 750 acre-ft |
| Max Storage | 750 acre-ft |
| Surface Area | 25 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Rated |
| EAP Status | Yes |
| Last Inspection | November 13, 2024 |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1910 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Baltimore City DPW Reservoir Section |
| Other Name | Forest Park Reservoir |
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.