2017年11月，IAPMO的水效率和卫生标准（WE•Stand）作为美国国家标准发布，取代了《绿色管道和机械规范补遗》。《WE•Stand》的出版值得一提，因为它是有史以来第一个专门致力于在住宅和非住宅建筑中实现安全高效用水的ANSI标准。里面有什么？以下是《WE•Stand:堆肥厕所编目和安全使用新规定:WE•Stand》创刊版中包含的一些重要新规定，其中包含了第一套全面的安装编目要求，适用于商业和住宅应用的堆肥和尿液分流厕所固定装置的安全使用和维护。检漏系统的新安全要求:考虑灭火系统的检漏系统的新安全规定。 景观灌溉:系统检查和性能的新效率相关规定。游泳池规定:根据最新行业标准，有关游泳池泵能效的新要求。室内用水效率:包含对卫浴设备和器具的流量和消耗量的周全要求，同时考虑了安全性、水和能源效率。替代水源:逐步规定在景观灌溉中使用洗衣机产生的灰水。降低单户家庭改造灰水系统成本的新要求。允许为非饮用用途安装高达5000加仑的雨水集水系统，而无需在特定条件下进行检查，降低业主成本如果水效率对您的社区很重要，请查看2017年IAPMO/ANSI WE•STANDING最新规定，以实现建筑环境中的安全效率水平。

In November 2017, IAPMO's Water Efficiency and Sanitation Standard (WE•Stand) was published as an American National Standard, replacing the Green Plumbing and Mechanical Code Supplement. The publication of WE•Stand is noteworthy, as it is the first-ever ANSI standard that focuses solely on achieving safe and efficient water use in both residential and non-residential buildings.What's in it?See below for just a few of the significant new provisions contained in the inaugural edition of WE•Stand:New Provisions for the Codification and Safe Use of Composting Toilets: WE•Stand contains the first set of comprehensive codified requirements for the installation, safe use and maintenance of composting and urine diversion toilet fixtures applicable to commercial and residential applications.New Safety Requirements for Leak Detection Systems: New safety provisions for leak detection systems that take fire suppression systems into account.Landscape Irrigation: New efficiency-related provisions for system inspection and performance.Swimming Pool Provisions: New requirements pertaining to the energy efficiency of swimming pool pumps per the latest industry standards.Indoor Water Efficiency: Contains thoughtful flow rate and consumption requirements for plumbing fixtures and appliances that take both safety and water and energy efficiency into consideration.Alternate Water Sources: Progressive provisions for uses of gray water generated from clothes washers in landscape irrigation. New requirements that reduce the cost of retrofitting gray water systems in single family homes. Allows for the installation of rainwater catchment systems up to 5000 gallons for non-potable uses without requiring inspections under certain conditions, reducing costs to ownersIf water efficiency is important to your community, please look into the 2017 IAPMO / ANSI WE•Stand for the latest provisions for attaining safe levels of efficiency in the built environment.