The Ordnance Survey map of 1907 Godfrey Edition Old Ordnance Survey Map 1907, Lancashire Sheet 96.13: published by Alan Godfrey Maps http://www.alangodfreymaps.co.uk shows Drinkwater Farm located immediately to the west of what is now the northern end of the reservoir and a lodge approximately 500 feet to the east of the farm, at the end of a narrow arm of the reservoir.