Severn Trent Water is the UK’s second biggest water company. It serves more than 4.3m homes and business customers in England and Wales. Its region stretches from mid-Wales to Rutland and from the Bristol Channel to the Humber. The company delivers almost two billion litres of water every day through 46,000km of pipes. A further 91,000km of sewer pipes take waste water away to more than 1,000 sewage treatment works.