Core Viewpoint - The article emphasizes the importance of implementing the river chief system to protect the water quality of the Nandu River, highlighting the need for comprehensive ecological governance and pollution control measures [2][3]. Group 1: Implementation of River Chief System - The provincial river chief, Li Rongcan, conducted an inspection of the Nandu River in Chengmai, focusing on the implementation of the river chief system and the overall water quality management [2]. - Li stressed the need to fully implement the river chief system and to take political responsibility for water management, including water quality monitoring and shoreline management [3]. Group 2: Pollution Control Measures - The article discusses the necessity of addressing water pollution at its source, emphasizing that while pollution is visible in the water, its roots lie on the banks [3]. - There is a call for comprehensive measures to tackle rural non-point source pollution, including reducing the use of fertilizers and pesticides, and managing livestock waste effectively [3]. Group 3: Community Engagement and Infrastructure - The need for establishing a long-term mechanism for rural sewage treatment is highlighted, along with the importance of maintaining and utilizing sewage treatment facilities effectively [3]. - The article encourages community involvement in transforming production and lifestyle practices to improve the rural living environment and promote the concept of beautiful villages [3]. Group 4: Seasonal Considerations - The article notes the current flood season and the necessity for increased river patrols to eliminate safety hazards and ensure flood safety [3].

Core Viewpoint - The article highlights the significant ecological improvements in the Jinjiang River in Chengdu, emphasizing the successful implementation of pollution control measures and the positive impact on local tourism and economy [2][3][8]. Group 1: Ecological Improvement Measures - The core of the governance strategy for Jinjiang River is pollution interception, focusing on both water and land management to address pollution sources effectively [3][4]. - Chengdu has completed over 7,000 kilometers of municipal drainage network inspections and repairs, installed 23.1 kilometers of interception pipelines, and built 19 sewage treatment plants, increasing daily treatment capacity by 1.735 million tons [3][4]. - The comprehensive approach includes promoting the resource utilization of livestock manure, achieving a 90% utilization rate in Chengdu [4]. Group 2: Water Quality Enhancement - The water quality of the Jinjiang River has improved significantly, with the excellent water quality rate rising from 69% in 2016 to 100%, and the water quality at the Huanglongxi national monitoring section improving from inferior V class to III class and above [4][5]. - Continuous monitoring and management practices have been established, with a focus on identifying pollution sources and ensuring all wastewater is collected and treated [4][5]. Group 3: Infrastructure Development - The construction of Xinglong Lake began in 2013, serving as an artificial ecological reservoir and purifier for the Jinjiang River, enhancing water quality and biodiversity [5][6]. - New wetlands and sewage treatment facilities have been developed in the Lvxik River basin to manage water flow and improve water quality [6]. Group 4: Economic and Tourism Impact - The ecological improvements have led to a surge in local tourism, with Huanglongxi town receiving 217,200 visitors during the Dragon Boat Festival in 2025, a 57% increase year-on-year, and generating tourism revenue of 23.183 million yuan, up 50% [8]. - The enhanced environment has attracted various industries, including healthcare and education, contributing to a vibrant local economy [8].