Hallowell Swm Dam
Maryland — Montgomery County
Location
| State | Maryland |
| County | Montgomery |
| Coordinates | 39.15600, -77.04660 |
Physical Characteristics
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 600 ft |
| NID Storage | 357 acre-ft |
| Max Storage | 357 acre-ft |
| Surface Area | 15 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1990 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | — |
| Owner Type | — |
| Owner | Montgomery County DEP |
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.