本文讨论了影响小型系统的现行饮用水法规。1986年对《安全饮用水法》的修正案极大地影响了水务公司监测和处理水的方式。服务于不到3000人的系统需要处理他们的水，通常是第一次。列出了自1986年以来颁布的目前影响公共供水系统的规则。

This paper discusses the current drinking water regulations affecting small systems. The 1986 Amendments to the Safe Drinking Water Act greatly affected the way water utilities monitor and treat their water. Systems serving fewer than 3,000 people were required to treat their water, often for the first time. A listing is presented of the Rules promulgated since 1986 that currently affect public water systems.