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Water affairs, an integrated field covering water resource planning, management, protection and utilization, is crucial to urban-rural development, ecological security and social well-being. Different from traditional water conservancy focusing on engineering, it emphasizes full water cycle governance. With urbanization and ecological demands, its applications are increasingly diversified. This article explores its core application areas concisely.
Safe water supply is the basic application of water affairs, related to residents' life and production. Water affairs departments manage the whole water supply chain, including water source development, treatment and pipeline operation, to ensure qualified drinking water.
In urban areas, the focus is on optimizing water source allocation and upgrading treatment technologies. Advanced water treatment plants (WTPs) adopt core processes to meet drinking water standards. Smart management systems with sensors monitor water pressure, flow and quality in real time to reduce leakage and ensure stable supply. In rural areas, centralized or decentralized water supply facilities solve scattered water source and poor quality issues, with technical guidance bridging urban-rural water security gaps.
Sewage treatment and drainage are core to water environment protection. Water affairs departments operate sewage treatment plants (STPs) to treat domestic and industrial sewage through key processes, reducing pollutants. The treated reclaimed water is reused for irrigation and industrial cooling, realizing water recycling. For drainage, urban systems including drainage pipelines and sponge city facilities (permeable pavements, rain gardens) reduce waterlogging and improve rainwater utilization.
Water ecological restoration is a key direction of water affairs. Departments carry out projects to repair damaged water ecosystems, including river-lake remediation, wetland protection and ecological flow guarantee. For urban black and odorous water, comprehensive treatment improves water quality. Wetland protection involves pollution control and water replenishment to maintain its ecological functions. Ecological flow is guaranteed by regulating reservoirs to prevent river drying.
Modern water affairs relies on scientific and intelligent management. Departments formulate allocation plans based on water distribution and development needs. In water-scarce areas, water quota management restricts high-consumption industries and promotes water-saving technologies. Supervision systems monitor water intake, use and discharge to ensure policy implementation, improving water use efficiency.
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