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. It serves approximately 50 million household and non-household customers. The company was incorporated in 1989 and is based in Exeter, the United Kingdom.