South Lake Swm Dam
South Lake Swm Dam is an earth dam located in Prince George's County, Maryland, built in 2007. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About South Lake Swm Dam
The primary purpose of South Lake 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 South Lake Partners, Llc (private). It impounds the Collington Br-western Br-tr near Lanham.
The dam stands 15 feet tall, creates a reservoir covering 12 acres, has a maximum storage capacity of 127 acre-feet, and collects water from a drainage area of 11 square miles. Completed in 2007, the structure is relatively new.
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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 01/19/2023.
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Location
| State | Maryland |
| County | Prince George's |
| Nearest City | Lanham |
| River/Stream | Collington Br-western Br-tr |
| Coordinates | 38.89235, -76.72831 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 127 acre-ft |
| Max Storage | 127 acre-ft |
| Normal Storage | 86 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 163 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | South Lake Partners, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/19/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00528 |
| Federal ID | MD00528 |
| More Info | State Dam Safety Program |