John W. Flannagan Dam
| John W. Flannagan Dam | |
|---|---|
| Country | United States |
| Location | Dickenson County, Virginia |
| Coordinates | 37°14′00″N 82°20′41″W / 37.23333°N 82.34472°W |
| Purpose | Flood control |
| Status | Operational |
| Construction began | 1960 |
| Opening date | 1964 |
| Owner(s) | U.S. Army Corps of Engineers |
| Dam and spillways | |
| Type of dam | Earth fill |
| Impounds | Pound River |
| Height | 250 ft (76 m) |
| Length | 916 ft (279 m) |
| Reservoir | |
| Creates | John W. Flannagan Reservoir |
| Catchment area | 221 sq mi (570 km2) |
| Surface area | 1,145 acres (463 ha) |
| Normal elevation | 1,396 ft (426 m) |
John W. Flannagan Dam is a flood control dam located in the Cumberland Mountains of Dickenson County, Virginia. It forms the John W. Flannagan Reservoir behind it. It was named after Congressman John Williams Flannagan, Jr.