Nvcc Annandale Campus Dam is an earth dam located in Fairfax County, Virginia. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 29 ft29 ft tall and 435 ft long, taller than 65% of U.S. dams with a recorded height. 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 Nvcc Annandale Campus Dam
The primary purpose of Nvcc Annandale Campus Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Northern Virginia Community College (state). It impounds the Tr-accotink Creek.
The dam stands 29 feet tall and stretches 435 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 24 acre-feet, and collects water from a drainage area of 0 square miles.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. 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 12/09/2021.
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Location
| State | Virginia |
| County | Fairfax |
| River/Stream | Tr-accotink Creek |
| Coordinates | 38.83580, -77.23710 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 435 ft |
Storage & Hydraulics
| NID Storage | 24 acre-ft |
| Max Storage | 24 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Northern Virginia Community College |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/09/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | VA059034 |
| Federal ID | VA059034 |
| More Info | State Dam Safety Program |