Core Viewpoint - The newly approved national standard for evaluating "happy rivers and lakes" marks a significant step in enhancing the management and service quality of small and medium-sized river systems in China, with implementation set for May 1, 2026 [1] Group 1: National Standard Overview - The standard is the first of its kind in China, providing a quantifiable framework for assessing the happiness of rivers and lakes [1] - It establishes a clear benchmark for the governance and protection of river and lake systems across the country [1] Group 2: Evaluation Metrics - The standard includes a comprehensive indicator system with five primary indicators: safety, health, beauty, culture, and development [1] - It further breaks down into 14 secondary indicators, such as flood control compliance rate, drainage compliance rate, and total water usage and intensity control [1] Group 3: Implementation Guidelines - The standard specifies rules for calculating the river and lake happiness index, forming evaluation results, and preparing evaluation reports [1] - It aims to provide local authorities with a clear and actionable "happiness metric" for river and lake management [1]

记者了解到，此次发布的标准精准聚焦流域面积3000平方千米以下的中小河流，此类河流数量占全 国河流总数的90%以上，遍布城乡腹地，既是农田灌溉、城乡供水的"生命线"，也是居民休闲亲水、乡 村生态风貌的"风景线"。 据介绍，水利部后续还将出台聚焦流域面积3000平方千米以上河流和湖泊的幸福河湖评价导则第 2、3部分，最终形成覆盖全国江河湖泊的幸福河湖评价体系，为美丽中国建设与流域高质量发展提供坚 实的标准支撑。 今年6月，中办、国办印发《关于全面推进江河保护治理的意见》，提出充分发挥河湖长制作用、 全面推进幸福河湖建设等要求。长期以来，我国中小河流因分布零散、区域差异大，在防洪保安、生态 修复、文化传承、民生服务等维度缺乏统一、明确的评价依据。此次发布的标准首次把"幸福"从抽象感 受变成可量化、可落地的具体指标，同时明确了河湖幸福指数取值规则、评价结果形成规则、评价报告 编制等要求，为各地开展河湖保护治理提供了清晰可依的"幸福标尺"。 新华社北京10月29日电（记者魏弘毅）记者10月29日从水利部获悉，由水利部制定的国家标准《幸 福河湖评价导则第1部分：流域面积3000km²以下（含）河流》经国家标准化管理委员 ...