Core Viewpoint - Ulaanbaatar City has actively promoted the construction of a national pilot city for reclaimed water utilization, exploring multi-water collaboration and achieving a reclaimed water utilization rate exceeding 90% [1] Group 1: Reclaimed Water Utilization - Ulaanbaatar City has implemented a unified configuration and scientific management of multiple water sources, including reclaimed water, mine water, brackish water, and rainwater [1] - The city has developed a comprehensive plan for reclaimed water utilization, including the "Three Zones, One Park, Multiple Points" layout to cover the entire city [1] - A total of 49 industrial enterprises have been configured to use reclaimed water, with a permitted water volume of 26.22 million cubic meters, effectively alleviating water supply issues for these enterprises [1] Group 2: Planning and Management - The city emphasizes planning as a guiding principle and has integrated reclaimed water into the overall water resource management system [1] - Ulaanbaatar has set annual minimum utilization targets for unconventional water sources, including reclaimed water, as part of the strictest water resource management assessment [1]