Long Hollow Dam
Low HazardPoor ConditionEmergency Action Plan: No
Location
| State | Maryland |
| County | Washington |
| Nearest City | None |
| River/Stream | Potomac River-TR |
| Coordinates | 39.62609, -78.29366 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 200 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 16 acre-ft |
| Max Storage | 16 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MD DNR-Public Lands, Engineering & Constr-Western |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/10/2016 |
| Emergency Action Plan | No |