这篇文章描述了拉丁美洲水和卫生当局从20世纪50年代开始，一直到现在，为实现向所有人提供这些基本服务的目标而采取的渐进步骤。随着针对小村庄和分散人口的供水部门项目的实施，地区当局正在整合其活动以支持此类项目。自50年代以来的每一个十年都在强调发展。包括1个参考、表格、图表。

This article describes the progressive steps that water and sanitation authorities in Latin America have carried out, beginning in the 1950s and extending to the present, to implement the goal of providing these basic services for all. As water sector programs are realized for small villages and dispersed populations, regional authorities are integrating their activities to support such programs. Each decade since the '50s is highlighted in terms of development. Includes 1 reference, table, figures.