Lake Frank
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Maryland |
| County | Montgomery |
| Nearest City | Twin Brook Forest |
| River/Stream | North Branch;TR-Rock Creek |
| Coordinates | 39.10330, -77.11830 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 78 ft |
| Dam Height | 78 ft |
| Dam Length | 576 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 7,854 acre-ft |
| Max Storage | 7,854 acre-ft |
| Normal Storage | 785 acre-ft |
| Surface Area | 56 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 24,317 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MNCPPC-Upper Rock Creek |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 06/20/2024 |
| Emergency Action Plan | Yes |