| Name | Location | County | Country | Power source | Type | Function | River |
| Abbey Paper Mills, Greenfield | Greenfield, Holywell | Flintshire | United Kingdom | Water | Watermill | Paper mill | Holywell Stream |
| Crescent Factory, Holywell | Holywell | Flintshire | United Kingdom | Water | Watermill | Woollen mill | Holywell Stream |
| Greenfield Mills, Holywell | Holywell | Flintshire | United Kingdom | Water | Watermill | Brass mill, Copper works, Rolling mill, Textile mill | Holywell Stream |
| Lower Mill, Holywell | Holywell | Flintshire | United Kingdom | Water | Watermill | Corn mill, Woollen mill | Holywell Stream |
| Meadow Mills, Greenfield | Greenfield, Holywell | Flintshire | United Kingdom | Water | Watermill | Rolling mill | Holywell Stream |
| Parys Mine, Greenfield | Greenfield, Holywell | Flintshire | United Kingdom | Water | Watermill | Crushing mill | Holywell Stream |
| Upper Mill, Holywell | Holywell | Flintshire | United Kingdom | Water | Watermill | Woollen mill | Holywell Stream |
| Victoria Mills, Holywell | Holywell | Flintshire | United Kingdom | Water | Watermill | Corn mill, Cotton mill | Holywell Stream |