| Name | Location | County | Country | Power source | Type | Function | River |
| Cotton mill, Hagley Museum and Library, Wilmington | Wilmington, New Castle County, Delaware | United States | Water | Watermill | Cotton mill | ||
| Eleutherian Mills, Wilmington | Wilmington, New Castle County, Delaware | United States | Watermill | Gunpowder mill | Brandywine Creek |