Great Falls Estate Dam
Low HazardNot Rated ConditionEmergency Action Plan: No
Location
| State | Maryland |
| County | Montgomery |
| River/Stream | Cool Spring Branch |
| Coordinates | 39.01200, -77.23610 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 300 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 134 acre-ft |
| Max Storage | 134 acre-ft |
| Normal Storage | 34 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 160 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Potomac Falls Nature Conservancy Assoc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/26/2016 |
| Emergency Action Plan | No |