衡水全方位海绵生态系统基本成形

Core Insights - The city of Hengshui has completed 127 sponge city projects, establishing a comprehensive sponge ecological system [3][4] - The initiative aims to address water issues and enhance urban drainage and ecological livability [3] Group 1: Project Implementation - Hengshui was selected as a national demonstration city for sponge city construction in May 2023, focusing on integrating sponge city concepts into urban development [3] - A multi-level coordination mechanism has been established, including the issuance of regulations such as the "Sponge City Construction Management Regulations" to support project advancement [3] Group 2: Infrastructure Improvements - The city has implemented a combination of rainwater and sewage diversion strategies, improving drainage capacity and addressing waterlogging issues in older urban areas [3] - Key areas like Fuyang Road have been developed into linear "sponge bodies," while the region around Hengshui Lake has been transformed into a composite ecological buffer zone [3][4] Group 3: Environmental Impact - The total new rainwater storage capacity added is approximately 120.69 million cubic meters, effectively eliminating urban waterlogging areas [4] - The proportion of permeable surfaces in built-up areas has reached 43.24%, with a target of 58.11% for recycled water utilization by 2024, alleviating groundwater extraction pressure [4]