Mains water in Worcestershire (England) is supplied by Severn Trent Water (most); South Staffs Water (north Worcestershire); typical hardness: Hard, ~200 to 280 mg/l CaCO3. Water quality is regulated by the Environment Agency · Ofwat · Drinking Water Inspectorate.
Sources: Severn Trent Water (most); South Staffs Water (north Worcestershire)