1996年的《安全饮用水法》（SWDA）修正案为饮用水基础设施设立了第一个州循环贷款基金（SRLF）。修正案授权1994至2003财政年度共计96亿美元。这些资金将为许多财政拮据的系统提供救济，这些系统需要联邦援助来资助改进，以符合SDWA和相关法规。包括4个参考文献，表1。

The Safe Drinking Water Act (SWDA) amendments of 1996 created the first ever state revolving loan fund (SRLF) for drinking water infrastructure. The amendments authorize a total of $9.6 billion for fiscal year 1994 through fiscal year 2003. These funds will provide relief for many financially strapped systems in need of federal assistance to fund improvements in order to comply with SDWA and related regulations. Includes 4 references, table.