（来源：市场星报） 城乡一体供水格局全面构建。贯彻城乡融合发展战略，统筹城乡一体化供水布局，梯次完成45处地表水 厂、738公里输水管道、1.76万公里配水管道建设，分区实现地下水水源替换，实现受水区水网互联互 通、联调联供，全面构建起"同水源、同管网、同水质、同监管、同服务"的城乡供水工程体系和管理体 制，让城乡居民喝上同样放心的水。 乡村振兴用水保障大幅提升。新建改造地表水厂的设计供水能力达617万吨/天，与替换前相比，供水能 力提升了1倍，在保障城乡居民生活用水的同时，也为皖北重点产业集群拓展和乡村旅游业发展注入了 稳定水源动力，区域供水保障能力大幅提升，助力皖北地区乡村全面振兴和经济社会发展。 地下水超采问题有效破解。皖北地区群众喝上引调水工程的建成运行，将充分发挥引江济淮工程效益， 优化全省水资源配置，有效破解皖北地区地下水超采问题。"十四五"以来，随着皖北地区3000万城乡居 民生活用水水源逐步由地下水调整为更优质的引调水，替换区域地下水取水量逐年减少，地下水位逐步 回升，超采区面积逐年减少，地下水超采问题得到有效遏制，2025年皖北地区地下水开采量较2020年减 少30.96%，全省超采区面积较 ...

Core Viewpoint - The approval of the Liaodong Peninsula Water Resource Allocation Project is expected to significantly improve the long-standing water scarcity issue in Dalian, a city that has been facing severe water shortages due to its geographical and climatic conditions [1][2]. Group 1: Project Overview - The Liaodong Peninsula Water Resource Allocation Project is a major infrastructure initiative that has been included in the national "14th Five-Year" water security plan and is a key component of the Northeast water network [1]. - The project involves an investment of over 20 billion yuan, with a total construction period of 72 months, and includes the construction of the Shihu Reservoir, Heiyu Ting Gate Station hub, and over 280 kilometers of water supply pipelines [1]. - Upon completion, the project is expected to provide an additional annual water supply of approximately 480 million cubic meters to Dalian, helping to establish a three-line water resource network in the province [1]. Group 2: Historical Context - Efforts to address Dalian's water scarcity date back to 2003 with the proposal for the Yangtze River water diversion project, which was later put on hold due to the completion of other water resource allocation projects [2]. - Despite previous efforts, the increasing urban water demand and declining average water resources have led to renewed supply pressures, with significant shortages reported in 2017 [2]. - The project has evolved from the original Yangtze River diversion plan to the current Liaodong Peninsula Water Resource Allocation Project, reflecting a comprehensive approach to resolving regional water resource conflicts [2]. Group 3: Current Status - The project has gained strong support from provincial and national authorities, being included in key project lists and receiving necessary approvals for planning and environmental assessments [3]. - Preparations for the construction bidding process are underway, indicating that formal construction is imminent [3].

Group 1 - The National Development and Reform Commission has officially approved the feasibility study report for the second phase of the Central Yunnan Water Diversion Project, marking a significant breakthrough in the largest investment scale and longest water diversion route in Yunnan's water conservancy history [1] - The Central Yunnan Water Diversion Project, which began construction in August 2017, aims to address severe water shortages in the central Yunnan region by diverting water from the Jinsha River [1] - The total investment for the project is 9.994 billion yuan, consisting of water diversion and regulation projects, including the construction of nine new water diversion main lines and the establishment and expansion of four reservoirs [1] Group 2 - Once fully completed, the project is expected to divert an average of 3.4 billion cubic meters of water annually to the central Yunnan region, benefiting an area of 36,900 square kilometers [1] - The project will enhance the province's water resource allocation capacity, effectively alleviating long-term water shortages in the central Yunnan region and improving the aquatic ecological environment of rivers and highland lakes [1] - The approval of this project further clarifies and perfects the main framework and arteries of Yunnan's water network, positioning the province to seize national strategic opportunities for construction and expand effective investment [2]

Core Insights - The Guangdong Leizhou Peninsula irrigation project is a significant water conservancy initiative aimed at enhancing agricultural productivity and ensuring regional food security in the western Guangdong area [1][2] - The project has received official approval from the provincial development and reform commission, marking a critical step towards its full-scale construction [1] Group 1: Project Overview - The Leizhou Peninsula irrigation project is the largest new irrigation area under construction in China, expected to rank as the seventh largest in the country and the largest in South China upon completion [1] - The project will cover three regions: Leibei, Leixiannan, and Leidongnan, benefiting an area of 4.64 million acres, with 2.54 million acres newly restored for irrigation and 580,000 acres improved [1] Group 2: Economic and Environmental Impact - The project aims to increase the grain planting area by 1.888 million acres, reaching a total of 3.185 million acres, with an expected increase in grain production of 715,000 tons [2] - The annual economic benefit from agriculture is projected to increase by 2.58 billion yuan [2] - The project will also reduce the over-extraction of groundwater by 8.234 million cubic meters annually and decrease the ecological water consumption by 1.986 million cubic meters, contributing to the protection of the water ecological environment [2] Group 3: Construction and Management Strategy - The project employs a combination of project-based and non-project-based approaches, integrating military, civilian, and enterprise efforts to expedite construction [2] - The next phase will involve preliminary design, with a focus on establishing project management systems, including responsibility and bidding processes, to ensure timely commencement of the main construction [2]

Core Viewpoint - The Jiangxi Province Jinggang Irrigation District construction project has commenced, representing a significant investment in water infrastructure aimed at enhancing water security and resource distribution in the region [1] Investment and Financial Aspects - The total investment for the Jinggang Irrigation District project is 13.407 billion yuan, highlighting its status as a major water conservancy project under the national "Two Heavy" construction initiative [1] Regional Impact - Upon completion, the project will optimize the water resource allocation in Ji'an City, addressing the regional disparity in water distribution characterized by "more in the south, less in the north, abundant in the west, and lacking in the east" [1] - The project aims to provide a solid guarantee for stable and high agricultural production and safe urban and rural water supply [1]

Core Viewpoint - The successful completion of the Taiyuan Xishan Water Supply Tunnel, after 1036 days of construction, marks a significant advancement in ensuring water supply safety and improving the quality of life for residents in Taiyuan [1] Group 1: Project Overview - The Taiyuan Xishan Water Supply Tunnel spans 13,248 meters, with China Railway Third Bureau responsible for the construction of 7,256 meters of the main tunnel [3] - The project faced complex geological conditions, including areas of loose loess, fault zones, and karst development, which posed high risks such as roof collapse and water inflow [3] Group 2: Construction Techniques and Innovations - The project team implemented intelligent monitoring techniques using total stations and convergence meters to analyze settlement data and establish a tiered early warning system, keeping tunnel settlement within safe limits [4] - Various construction methods, including the three-step seven-step excavation method and CD method, were employed to enhance the stability of the support structure [4] - Innovative technologies such as an intelligent blasting vibration monitoring system were utilized to control vibration speed within 2.0 cm/s, allowing for a "minimally invasive" crossing of the Tai Gu Expressway [5] Group 3: Achievements and Impact - The project has received multiple awards, including a provincial-level construction method and several patents, providing a solid technical foundation for the tunnel's completion [6] - The tunnel's completion will transport water from the Yellow River and the upper reaches of the Fen River to meet the water needs of 590,000 residents, promoting groundwater conservation and ecological improvement in the region [8]

Core Viewpoint - The Liaodong Peninsula Water Resource Allocation Project has received approval from the National Development and Reform Commission, marking a significant step forward for Dalian's water management and economic development [1] Group 1: Project Overview - The project is a key component of the national "two major" projects and the Northeast Water Network, addressing Dalian's chronic water scarcity with an average annual water resource total of 3.074 billion cubic meters, which is only 1/5 of the national average per capita [1] - Upon completion, the project is expected to add an average of 477 million cubic meters of water supply annually, fundamentally improving the water supply-demand situation in Dalian [1] Group 2: Project Benefits - The project is designed to enhance public welfare and ensure safety by constructing new reservoirs and water transfer lines, which will also return 131 million cubic meters of water previously allocated for agriculture, increasing irrigation area by 424,900 acres [2] - It aims to restore ecological water volumes from local reservoirs, supporting Dalian's goal of becoming an "ecological and environmental model city" and promoting harmonious urban development [2] Group 3: Investment and Timeline - The total investment for the project is 20.275 billion yuan, with a construction period of 72 months, positioning it among the major water conservancy projects in Liaoning Province [2] - The project has undergone over three years of planning and approval, demonstrating strong leadership and collaboration among various governmental departments [2] Group 4: Future Actions - Dalian's Water Affairs Bureau is committed to implementing a comprehensive water management strategy, focusing on design, land acquisition, and construction bidding to ensure the project meets high standards of quality and safety [3] - The bureau aims to create a project that will provide sustainable water resources for Dalian's future development and contribute to the revitalization of Northeast China [3]

Core Viewpoint - The Daxi Water Huai De Reservoir expansion project in Dongguan, part of the Pearl River Delta water resource allocation project, aims to address water resource shortages and improve water supply security in the region, with a total investment of 1.796 billion yuan and an expected annual allocation of 38 million cubic meters of water from the Xijiang River after completion [4][6][9]. Group 1: Project Overview - The Daxi Water Huai De Reservoir expansion project officially broke ground on December 29, 2025, with a planned construction period of 45 months [1][6]. - The project is designed to enhance Dongguan's dual water source system, improve water infrastructure, and strengthen water security [1][4]. - The total investment for the project is 1.796 billion yuan, and it is expected to allocate approximately 38 million cubic meters of Xijiang water annually upon completion [6][9]. Group 2: Strategic Importance - The Pearl River Delta water resource allocation project is a national major water conservancy project aimed at solving water shortages in Shenzhen, Dongguan, and Guangzhou, while providing emergency water sources for Hong Kong and Panyu District [4][5]. - The project addresses the imbalance between water resource distribution and economic development in Dongguan, which faces challenges such as insufficient water supply during dry periods and water pollution [4][5]. - The expansion project is a significant step in Dongguan's "15th Five-Year" water network construction and marks the first new medium-sized reservoir built in Dongguan in 65 years [9][10]. Group 3: Engineering Details - The expansion will involve the reconstruction of the main dam, raising the normal water level to 88.0 meters, and merging the existing reservoirs into a single medium-sized reservoir with a total capacity of 40.69 million cubic meters [8][9]. - The project includes the construction of a new main dam, two auxiliary dams, and supporting structures, significantly enhancing flood control capabilities [8][9]. - The reservoir will serve multiple purposes, including water supply, irrigation, flood control, and emergency water supply, thereby improving the overall resilience of Dongguan's water supply network [9].

Core Insights - The Chongqing West Water Resource Allocation Project is the largest cross-regional water conservancy project in Chongqing's history, benefiting approximately 10 million people and covering an area of 11,800 square kilometers [1] Group 1: Project Overview - The project has a total investment of 14.345 billion RMB and a construction period of 54 months [1] - It is designed to supply an average annual water volume of 1.012 billion cubic meters, with 467 million cubic meters for domestic use and 545 million cubic meters for industrial use [1] - The project aims to alleviate water scarcity in the Chongqing West region, which is a core area for industrialization and urbanization [1] Group 2: Engineering Challenges - The construction faces complex geological conditions and must cross over 200 critical infrastructures, including highways, railways, and oil and gas pipelines [2] - Innovative construction techniques, such as a 36% super steep slope pipe jacking method, have been employed to overcome these challenges [2] - The project also utilizes a composite technique of underwater rotary drilling and land water grinding drilling to address deep-water operation challenges while adhering to environmental commitments [2]

Core Viewpoint - The Yuxi Water Resource Allocation Project has been fully operational since December 30, 2023, representing a significant investment in water infrastructure aimed at addressing water scarcity in the Yuxi region of Chongqing, benefiting approximately 10 million people [1]. Group 1 - The total investment for the Yuxi Water Resource Allocation Project is 14.345 billion yuan, with an annual water supply capacity exceeding 1 billion cubic meters [1]. - The project is the largest water conservancy initiative in Chongqing's history in terms of investment scale, coverage, and beneficiary population [1]. - The project was initiated in 2020 as one of the 150 major national water conservancy projects, designed to alleviate the severe water shortage in the Yuxi region, which is part of the Chengdu-Chongqing economic circle [1]. Group 2 - The water supply system in the Yuxi region has been fully established, featuring dual water sources, multi-node linkage, and comprehensive coverage through three main pipelines [2]. - After the project became operational, the annual supply of domestic water is 467 million cubic meters, and industrial water supply is 545 million cubic meters, significantly improving the water conditions for production and daily life in the Yuxi region [2]. - The project is expected to promote high-quality development in the Chengdu-Chongqing economic circle [2].