本文件定义了各个概念，这些概念共同构成了对水服务提供感兴趣的不同利益相关者的共同词汇。其目的是促进关于提供和管理饮用水供应、废水和雨水系统相关服务活动的共识和沟通。 以下内容属于本文件的范围: -定义不同利益相关者共有的词汇； -为用户定义服务的关键要素和特征； -饮用水供应、废水和雨水系统组成部分的定义。

This document defines individual concepts that together constitute a vocabulary common to different stakeholders with interests in water service provision. It is intended to facilitate common understanding and communication on the provision and management of service activities relating to drinking water supply, wastewater and stormwater systems. The following are within the scope of this document: — definition of a vocabulary common to the different stakeholders; — definition of key elements and characteristics of the service to users; — definition of the components of drinking water supply, wastewater and stormwater systems.