Gunners Lake (Wisteria Drive) is a local government-owned earth dam located in Montgomery, Maryland, designed by Johnson, Mirmiram and Thompson.
Wind
Humidity
Completed in 1985, this dam serves the primary purpose of flood risk reduction along Gunners Branch. Standing at a height of 28 feet and with a length of 1700 feet, Gunners Lake has a storage capacity of 646 acre-feet and a normal storage of 145 acre-feet. The dam's spillway type is uncontrolled with a width of 59 feet, and it has a significant hazard potential with a satisfactory condition assessment as of June 2018.
The dam has a moderate risk rating (3) and undergoes inspections every three years, with the last inspection conducted in August 2021. The Emergency Action Plan (EAP) for Gunners Lake was last revised in April 2021. The dam's outlet gates consist of valves with a quantity of 0. While the dam's condition is currently satisfactory, the risk assessment indicates potential hazards that require management measures to mitigate any adverse effects. Gunners Lake remains a vital structure in the area's water resource management, providing essential flood risk reduction benefits to the community.
Years Modified |
2001 - Structural |
Year Completed |
1985 |
Dam Length |
1700 |
Dam Height |
28 |
River Or Stream |
Gunners Branch |
Primary Dam Type |
Earth |
Surface Area |
20 |
Drainage Area |
2 |
Nid Storage |
646 |
Outlet Gates |
Valve - 0 |
Hazard Potential |
Significant |
Foundations |
Unlisted/Unknown |
Nid Height |
28 |
Seneca Creek At Dawsonville
|
74cfs |
Patuxent River Near Unity
|
14cfs |
Bennett Creek At Park Mills
|
21cfs |
Broad Run Near Leesburg
|
61cfs |
Hawlings River Near Sandy Spring
|
10cfs |
Cattail Creek Near Glenwood
|
12cfs |
| Location | Reservations | Toilets |
|---|---|---|
Little Bennett Regional Park
|
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Little Bennett Campground
|
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Swains Lock Hiker-Biker Campsite
|
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Turner Farm
|
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Horsepen Branch Campsite
|
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Horsepen Branch
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