Core Insights - Tianjin has achieved a 100% compliance rate for drinking water sources since the 14th Five-Year Plan, with significant improvements in water quality across various rivers and lakes [2][11] - The city has implemented a comprehensive approach to water resource management, focusing on ecological protection and sustainable development [2][12] Water Quality Improvement - The quality of drinking water sources in Tianjin has consistently met national standards, with 12 rivers showing improved water quality [2][11] - The proportion of good quality surface water and the reduction of inferior quality water bodies have met national assessment requirements [2][11] Key Initiatives - Tianjin is focusing on three main areas for the construction of beautiful rivers and lakes: developing a tailored evaluation system, establishing regulatory frameworks, and promoting successful case studies [12] - The city has launched a campaign to collect excellent case studies for beautiful rivers and lakes, with the first batch including three notable examples [3][12] Case Studies and Practices - Hebei District has transformed the Haihe River from inferior quality to stable Class III or better, recognized as an excellent case by the Ministry of Ecology and Environment [6][14] - Red Bridge District has improved the water quality of the Ziya River, achieving Class III standards, and has been recognized for its ecological initiatives [7][16] - The Cijiang District has implemented comprehensive governance of the Zhou River, focusing on pollution source control and ecological restoration [18][19] Financial Investments - Hebei District has invested 310 million yuan in rainwater network upgrades and pollution source management [6][14] - Red Bridge District has allocated nearly 1.5 billion yuan for the relocation and improvement of fishing villages along the Ziya River [16][17] Ecological Restoration - The ecological environment of the Daqing River has significantly improved through systematic governance, including the removal of pollution sources and the establishment of wastewater treatment facilities [20][21] - The Zhou River has seen a comprehensive approach to governance, including the relocation of residents and the establishment of wetland parks to enhance biodiversity [18][19]