Core Points - The "Yin Da Ji Min" project has officially commenced construction, aimed at addressing the water scarcity issues in the Chengdu Plain Economic Circle by diverting water from the Dadu River [1][2] - The project will take 8 years to complete and will utilize a 260-kilometer system of tunnels and pipelines to transport water to the Dujiangyan irrigation area [1] - By 2040, the project is expected to supply 1.389 billion cubic meters of water, increasing to 1.523 billion cubic meters by 2050, benefiting 34.13 million people across 43 counties in the Chengdu Plain Economic Zone [2] Summary by Sections Project Overview - The "Yin Da Ji Min" project aims to create a dual water source for the Chengdu Plain by integrating water from the Dadu River with the Min River [1] - The project is a response to the increasing water scarcity in the region due to rapid economic development [1] Engineering Details - The project will involve the construction of over 260 kilometers of tunnels and pipelines, utilizing natural elevation for water flow [1] - It is designed to enhance the water supply guarantee rate for urban and industrial use from 90% to 97%, and for agricultural irrigation to 80% [2] Historical Context - The concept of the project dates back to the 1950s, undergoing decades of investigation and validation before receiving national approval [2] - The Dujiangyan irrigation system has historically provided water to the Chengdu Plain, which is now facing significant supply challenges due to population growth and uneven water distribution [1]

Core Insights - The press conference highlighted the achievements in high-quality water resource development during the "14th Five-Year Plan" period, emphasizing the construction of various water source, diversion, and irrigation projects [1] Group 1: Water Resource Development - By the end of the "14th Five-Year Plan," the national water network coverage is expected to reach 80.3% [1] - The irrigated area of arable land is projected to be 10.9 million acres [1] - The rural tap water coverage rate is anticipated to reach 96% [1] Group 2: Economic and Water Usage Efficiency - Despite significant economic growth and continuous increases in grain production, the total water usage has achieved zero growth [1] - By 2024, the water consumption per 10,000 yuan of GDP and per 10,000 yuan of industrial added value is expected to decrease by 17.7% and 23.6% respectively compared to the end of the "13th Five-Year Plan" [1] - The effective utilization coefficient of irrigation water in farmland has improved from 0.565 at the end of the "13th Five-Year Plan" to 0.58 [1]

Group 1 - The core viewpoint emphasizes the importance of water resource management and infrastructure development in China, highlighting significant investments and projects aimed at enhancing water supply and safety [1][2][4]. - The Guangdong water resource allocation project, which includes the "Yuehai Huanbei No. 5" tunneling machine, has completed 95 kilometers of tunnel excavation with a total investment of 137 billion yuan [1]. - The national water network construction has accelerated, with over 1 trillion yuan invested in water infrastructure over the past three years, and a water supply capacity exceeding 900 billion cubic meters [2]. Group 2 - The modernization of irrigation systems, such as the Qingtongxia irrigation district, has improved water delivery efficiency, resulting in increased crop yields [3]. - The government is increasing investment in over 1,000 irrigation modernization projects, with the total irrigated area reaching over 108 million acres [3]. - The construction of the Jingling Reservoir in Zhejiang is being supported by innovative financing mechanisms, including the use of a real estate investment trust for water infrastructure [5]. Group 3 - The integration of water networks with other infrastructure systems, such as electricity and transportation, is crucial for supporting industrial transformation and modernization [6][7]. - The Ministry of Water Resources is committed to implementing a comprehensive water management strategy to ensure high-quality development and water security in China [7].