South River Dam #3 is an earth dam located in Augusta County, Virginia. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 47 ft47 ft tall and 665 ft long, taller than 91% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About South River Dam #3
The primary purpose of South River Dam #3 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 Va Department of Corrections - Greenville Va (state). It impounds the Poor Creek.
The dam stands 47 feet tall and stretches 665 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 1,450 acre-feet, and collects water from a drainage area of 3 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 04/04/2017.
At 47 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Virginia |
| County | Augusta |
| River/Stream | Poor Creek |
| Coordinates | 37.98940, -79.15030 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 665 ft |
Storage & Hydraulics
| NID Storage | 1,450 acre-ft |
| Max Storage | 1,450 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 3 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Va Department of Corrections - Greenville Va |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/04/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | VA015010 |
| Federal ID | VA015010 |
| More Info | State Dam Safety Program |