Mains water in North Yorkshire (England) is supplied by Yorkshire Water (Northumbrian Water on the northern/Teesside fringe); typical hardness: Varies soft to hard; typically moderately soft ~64 mg/l CaCO3 (Harrogate). Water quality is regulated by the Environment Agency · Ofwat · Drinking Water Inspectorate.
Sources: Yorkshire Water (Northumbrian Water on the northern/Teesside fringe)