使小型供水系统符合日益增多的法规要求，需要在技术应用和制度程序方面具有灵活性。本文介绍了小型系统提供安全饮用水的方法，重点介绍了几种处理方案的优点、缺点和成本，这些方案适用于各种情况，包括全规模常规处理、位于中心的成套设备和使用点或入口设备。包括13个参考文献、表格、图表。

Bringing small water systems into compliance with the everincreasing number of regulations will require flexibility in terms of technology application and institutional procedures. This article looks at the means by which small systems can provide safe drinking water, focusing on the advantages, disadvantages, and costs of several treatment options--full-scale conventional treatment, centrally located package plants, and point-of-use or point-of-entry devices--for various scenarios. Includes 13 references, tables, figures.