Pennon Group Plc provides clean water and wastewater services in the United Kingdom. It provides water and wastewater services for customers in Cornwall, Devon, and parts of Dorset and Somerset; water-only services in the areas of Dorset, Hampshire, and Wiltshire; and water and wastewater retail services to non-household customers in Great Britain. The company also offers regulated water to approximately 1.2 million customers in the Bristol region. Pennon Group Plc was incorporated in 1989 and is based in Exeter, the United Kingdom.