规范饮用水水源地建设，相关国家生态环境标准正酝酿

Core Points - The Ministry of Ecology and Environment is revising national ecological environment standards to enhance the protection of drinking water sources and provide guidelines for enforcement actions and environmental assessments [1][2] - The draft for the "Technical Requirements for Environmental Protection in the Standardized Construction of Centralized Drinking Water Sources" has been released for public consultation, aiming to address deep-rooted issues in water source management [1][2] - By 2025, over 93% of centralized drinking water sources in cities at the county level and above are expected to meet or exceed Class III water quality standards [2] Group 1 - The current standards have operational gaps in practical management, necessitating revisions to establish a differentiated pollution prevention framework [3] - The revisions will address conflicts between agricultural practices, residential areas, and water quality protection, focusing on wastewater management and pollution control measures [3] - New regulations will prohibit and restrict pollutant discharges in drinking water source protection areas, with a focus on total control and negative lists for industries [3][4] Group 2 - The draft includes examples of point source pollution from tailings ponds and non-point source pollution from agricultural runoff and urban drainage [4] - A new definition and requirements for biological early warning monitoring have been introduced to analyze water quality changes [4] - Protective measures will be implemented around water intake areas, including the establishment of isolation facilities and the prohibition of certain agricultural practices within protection zones [4]