英国国家审计署：2025年规范水行业的投资和成果报告（英文版）

Water is essential for human health, the environment and the economy. A shortfall of nearly 5 billion litres of water per day is expected by 2050, based on current usage rates. This is more than a third of the 14 billion litres currently used daily. In England and Wales, the supply of clean drinking water to homes is predominantly managed by 16 companies, of which 11 also supply wastewater services.2 The work they do, and the amount they charge the public for their services, is overseen by re