SL 457-2009 in English

本标准适用于各种水资源管理信息的代码编制和水资源管理信息的采集、存储、检索、分析、输出及交换，以及全国各级水资源信息化建设和相关的应用服务软件开发等。

Scope

This standard is formulated to unify the coding of water resources management information, standardize the construction and management of water resources management databases, promote the sharing of water resources data, and improve the level of scientific management of water resources. This standard is applicable to the coding and development of various water resources management information. The collection, storage, retrieval, analysis, output and exchange of water resources management information, as well as the construction of water resources informatization at all levels across the country and the development of related application service software, etc.