Mains water in Herefordshire (England) is supplied by Dŵr Cymru Welsh Water (predominant; Severn Trent on eastern fringes); typical hardness: Soft, ~53 to 61 mg/l CaCO3. Water quality is regulated by the Environment Agency · Ofwat · Drinking Water Inspectorate.
Sources: Dŵr Cymru Welsh Water (predominant; Severn Trent on eastern fringes)