已审校最近审校: 2026-06-18
产销差水量 / 无收益水
产销差水量(NRW)是指已生产但在到达用户前“损失”的水——包括物理漏损、计量误差和未授权用水。降低产销差是水务管理中价值最高的手段之一,在快速城镇化的亚洲尤为关键。
为何重要
Every cubic metre of non-revenue water is treated and pumped but never paid for, wasting energy and chemicals and straining scarce supplies. The IWA standard water balance separates real losses (leakage) from apparent losses (metering and theft), guiding targeted intervention.
Reduction combines pressure management, active leakage control, district-metered areas, rapid repair and meter renewal — increasingly enabled by acoustic sensors, flow analytics and digital-twin models. It is a core demand line for the digital-water sector.
参考文献
- [1]The IWA Water Balance and Non-Revenue Water Performance Indicators. IWA Publishing, 2000.
- [2]The Challenge of Reducing Non-Revenue Water. World Bank / PPIAF, 2016.