Select different State:
Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming| Alexandria Aqueduct | Alexandria Aqueduct | District of Columbia | 13 | Washington West |
| Washington Aqueduct | Washington Aqueduct | District of Columbia | 148 | Washington West |
| Potomac Aqueduct (historical) | Potomac Aqueduct (historical) | District of Columbia | 0 | Washington West |
| Washington City Canal (historical) | Washington City Canal (historical) | District of Columbia | 13 | Washington West |