Hydrological Unit: Upper Roanoke
| HUC | Name |
|---|---|
| 0301010101 | South Fork Roanoke River |
| 0301010102 | North Fork Roanoke River |
| 0301010103 | Mason Creek-Roanoke River |
| 0301010104 | Tinker Creek-Roanoke River |
| 0301010105 | Upper Blackwater River |
| 0301010106 | Lower Blackwater River |
| 0301010107 | Smith Mountain Lake-Roanoke River |
| 0301010108 | Upper Pigg River |
| 0301010109 | Snow Creek |
| 0301010110 | Lower Pigg River |
| 0301010111 | Upper Goose Creek |
| 0301010112 | Lower Goose Creek |
| 0301010113 | Leesville Lake-Roanoke River |
| 0301010114 | Upper Big Otter River |
| 0301010115 | Lower Big Otter River |