由于其简单、高效和经济，慢速砂滤器是发展中国家社区供水和包括美国在内的世界其他地区小型供水系统的适当水处理方法。本文介绍了慢砂滤池的基本要素，以及规划、设计和施工方面，特别强调了维护。其中包括印度和哥伦比亚的一些系统成本数据。概述了维护和重新发送的操作程序。 包括7个参考文献、表格、图表。

Because of their simplicity, efficiency, and economy, slow sand filters are appropriate means of water treatment for community water supply in developing countries and for small water systems in other areas of the world, including the United States. The basic elements of a slow sand filter are described, as are planning, design, and construction aspects, with special emphasis on maintenance. Some cost figures for systems in India and Colombia are included. Operational procedures for maintenance and resanding are outlined. Includes 7 references, tables, figures.