Moorefield Station West Swm Pond Dam
Moorefield Station West Swm Pond Dam is a concrete dam located in Loudoun County, Virginia. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Moorefield Station West Swm Pond Dam
The primary purpose of Moorefield Station West Swm 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 Board Of Supervisors Of Loudoun County (local government). It impounds the Tributary D To Broad Run.
The dam stands 14 feet tall and stretches 200 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 95 acre-feet, and collects water from a drainage area of 0 square miles.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 09/29/2022.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Virginia dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Virginia |
| County | Loudoun |
| River/Stream | Tributary D To Broad Run |
| Coordinates | 38.99530, -77.49670 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 200 ft |
Storage & Hydraulics
| NID Storage | 95 acre-ft |
| Max Storage | 95 acre-ft |
| Normal Storage | 19 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,965 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Board of Supervisors of Loudoun County |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/29/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | VA107041 |
| Federal ID | VA107041 |
| More Info | State Dam Safety Program |