Lake Audubon Dam, also known as Lower South Lake, is a private dam located in Fairfax, Virginia, along the Snakeden Branch.
Wind
Humidity
Owned by a private entity, this earth dam stands at 46 feet high and spans 340 feet in length, serving primarily for recreation and flood risk reduction purposes. With a storage capacity of 1364 acre-feet and a normal storage level of 410 acre-feet, the dam covers a surface area of 44 acres and has a drainage area of 2.5 square miles.
Managed by the Department of Conservation and Recreation in Virginia, Lake Audubon Dam has a high hazard potential but is currently rated as satisfactory in terms of its condition assessment as of the last inspection in February 2021. Despite its age and lack of recent modifications, the dam remains structurally sound and meets regulatory standards for inspection, permitting, and enforcement. The surrounding area offers scenic views and recreational opportunities for water resource and climate enthusiasts to enjoy.
Overall, Lake Audubon Dam serves as a vital infrastructure for the local community, providing both recreational benefits and essential flood risk reduction measures. Its strategic location and effective management by state regulatory agencies ensure the safety and functionality of the dam, contributing to the preservation of water resources and the surrounding environment in Fairfax, Virginia.
Dam Height |
46 |
Hydraulic Height |
46 |
Drainage Area |
2.5 |
Structural Height |
46 |
Nid Storage |
1364 |
Surface Area |
44 |
River Or Stream |
Snakeden Branch |
Dam Length |
340 |
Hazard Potential |
High |
Primary Dam Type |
Earth |
Nid Height |
46 |
Difficult Run Near Great Falls
|
10cfs |
Long Branch Near Annandale
|
0cfs |
Broad Run Near Leesburg
|
30cfs |
Accotink Creek Near Annandale
|
2cfs |
Potomac River Near Wash
|
2260cfs |
Seneca Creek At Dawsonville
|
52cfs |
| Location | Reservations | Toilets |
|---|---|---|
Lake Fairfax
|
||
Marsden Tract Group Campsite
|
||
Marsden Tract Campground
|
||
Swains Lock Hiker-Biker Campsite
|
||
Horsepen Branch
|
||
Horsepen Branch Campsite
|