本文描述了一种计算节水计划潜在节水、效益和成本的技术。有了精心规划和实施的节水计划，用水量可以减少10-30%。包括2个参考资料、表格、图表和照片。

Presented is a description of a technique to calculate potential water savings, benefits, and costs of water conservation programs. With a carefully planned and implemented water conservation program, consumption can be reduced by 10-30 percent. Includes 2 references, tables, figures, photos.