本幻灯片演示概述了北美在水资源问责和损失控制方面的改进。美国和加拿大列出了促进水资源效率的资源。概述的主题包括:标准化水资源审计方法、IWA/AWWA水资源平衡；失水控制创新，先进的泄漏控制；更好地了解泄漏的发生和影响；水损失控制改进:控制表观损失；AWWA水损失控制委员会倡议、水审计软件以及与政府机构的联系；并且，AWWA研究基金项目报告了水流失。包括数字。

This slide presentation outlines improvements in water accountability and loss control in North America. Resources are listed for promoting water efficiency in the U.S. and Canada. Topics outlined include: standardizing the water audit method, IWA/AWWA water balance; water loss control innovations, advanced leakage control; better understanding of the occurrence and impact of leakage; water loss control improvements: controlling apparent losses; AWWA Water Loss Control Committee Initiatives, Water Audit Software, and Outreach to Government Agencies; and, AWWA Research Foundation project reports on water loss. Includes figures.