Marlton South Swm Dam, also known as Grandhaven Avenue Dam, is a local government-owned earth dam located in South Marlton, Maryland.
Wind
Humidity
Completed in 2000, this dam serves primarily for recreation purposes along the Southwest Branch of the river. With a height of 24 feet and a length of 500 feet, it has a storage capacity of 51 acre-feet and a surface area of 1.6 acres.
Managed by Maryland Dam Safety, Marlton South Swm Dam has a low hazard potential and is currently assessed to be in fair condition as of September 2014. Despite its moderate risk rating, the dam has undergone regular inspections, with the last one conducted in October 2020. The dam features an uncontrolled spillway with a width of 3 feet, capable of handling a maximum discharge of 150 cubic feet per second.
This dam plays a crucial role in the local community for recreational activities while also serving as a significant water resource management infrastructure. With its strategic location and design, Marlton South Swm Dam continues to be a vital asset in ensuring water safety and conservation in Prince George's County, Maryland.
Year Completed |
2000 |
Dam Length |
500 |
Dam Height |
24 |
River Or Stream |
Southwest Branch |
Primary Dam Type |
Earth |
Surface Area |
1.6 |
Drainage Area |
0.63 |
Nid Storage |
51 |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
24 |
| Location | Reservations | Toilets |
|---|---|---|
Selby's Landing
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Andrews AFB Military
|
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Louise F. Cosca Regional Park
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Cedarville State Forest
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