Six ten thousandths. According to Anhui Provincial Taxation Bureau, the tax rate of Hefei Water Conservancy Fund is six ten thousandths. Hefei Water Conservancy Construction Fund is a special fund for water conservancy construction. In 2023, Anhui Province will implement the "Wan Shui Mei Yun" happiness promotion action, promote the overall management of water resources, water environment and water ecology, strengthen the construction of rural water conservancy infrastructure, promote the integration of urban and rural water supply, and accelerate the construction of a modern water security system.