Walnut Branch Road Detention Pond Dam is an earth dam located in Fairfax County, Virginia. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 670 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Walnut Branch Road Detention Pond Dam
The primary purpose of Walnut Branch Road Detention Pond 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 Reston Home Owners Association (private). It impounds the Sugarland Run Tributary.
The dam stands 22 feet tall and stretches 670 feet across, and has a maximum storage capacity of 83 acre-feet.
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Location
| State | Virginia |
| County | Fairfax |
| River/Stream | Sugarland Run Tributary |
| Coordinates | 38.97570, -77.36130 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 670 ft |
Storage & Hydraulics
| NID Storage | 83 acre-ft |
| Max Storage | 83 acre-ft |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Reston Home Owners Association |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | VA059106 |
| Federal ID | VA059106 |
| More Info | State Dam Safety Program |