Lake Nirvana Dam (main Street)
Lake Nirvana Dam (main Street) is an earth dam located in Montgomery County, Maryland, built in 1967. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Lake Nirvana Dam (main Street)
The primary purpose of Lake Nirvana Dam (main Street) is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Gaithersburg (local government). It impounds the Muddy Branch-tr near Tobytown.
The dam stands 29 feet tall and stretches 825 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 104 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 04/18/2024.
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Location
| State | Maryland |
| County | Montgomery |
| Nearest City | Tobytown |
| River/Stream | Muddy Branch-tr |
| Coordinates | 39.11430, -77.23900 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 825 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 104 acre-ft |
| Max Storage | 104 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 215 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Gaithersburg |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/18/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00056 |
| Federal ID | MD00056 |
| More Info | State Dam Safety Program |