South Anna #52 B is an earth dam located in Hanover County, Virginia, built in 1973. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 33 ft33 ft tall and 791 ft long, taller than 76% 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 South Anna #52 B
The primary purpose of South Anna #52 B 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 Hanover-caroline Soil and Water Conservation District;hanover-caroline Soil and Water Conservation District (local government). It impounds the Mill Creek.
The dam stands 33 feet tall and stretches 791 feet across, creates a reservoir covering 68 acres, has a maximum storage capacity of 2,019 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1973, the structure is well into its service life at over 50 years old.
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 10/12/2021.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Virginia |
| County | Hanover |
| River/Stream | Mill Creek |
| Coordinates | 37.75240, -77.73230 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 791 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 2,019 acre-ft |
| Max Storage | 2,019 acre-ft |
| Normal Storage | 464 acre-ft |
| Surface Area | 68 acres |
| Drainage Area | 4 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Hanover-caroline Soil and Water Conservation District;hanover-caroline Soil and Water Conservation District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/12/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | VA085002 |
| Federal ID | VA085002 |
| More Info | State Dam Safety Program |