1996年对《安全饮用水法案》（SDWA）的修正案要求美国环境保护局（USEPA）在公共水系统的处理过程中对过滤反冲洗水的回收进行监管。该机构必须在2000年8月之前发布本法规，除非在此之前《强化地表水处理规则》（ESWTR）中已解决了过滤器反冲洗水的回收问题。包括12篇参考文献。

The 1996 amendments to the Safe Drinking Water Act (SDWA) require the US Environmental Protection Agency (USEPA) to regulate recycling of filter backwash water within the treatment process of a public water system. The agency must issue this regulation by August 2000, unless recycling of filter backwash water has been addressed in the Enhanced Surface Water Treatment Rule (ESWTR) before then. Includes 12 references.