Marlton South Swm Dam
Marlton South Swm Dam is an earth dam located in Prince George's County, Maryland, built in 2000. It carries a Low hazard potential classification and has a fair condition assessment.
About Marlton South Swm Dam
The primary purpose of Marlton South Swm Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Prince Georges County Depart. Of The Environment (local government). It impounds the Southwest Branch near South Marlton.
The dam stands 24 feet tall and stretches 500 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 51 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2000, the structure is 26 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 10/07/2020.
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Location
| State | Maryland |
| County | Prince George's |
| Nearest City | South Marlton |
| River/Stream | Southwest Branch |
| Coordinates | 38.75304, -76.78324 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 500 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 51 acre-ft |
| Max Storage | 51 acre-ft |
| Normal Storage | 3 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 150 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Prince Georges County Depart. of the Environment |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/07/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00394 |
| Federal ID | MD00394 |
| More Info | State Dam Safety Program |