1974的《安全饮用水法》强调颁布法规时需要考虑费用。作为回应，美国环保局市政环境研究实验室（MERL）的饮用水研究部（DWRD）赞助了一项研究，以开发与供水处理单元工艺相关的成本数据。讨论了设计前估算、成本数据开发、施工和管理费用及维护成本组成的估算，以及所开发方程的应用。包括9个参考文献、图表。

The Safe Drinking Water Act of 1974 emphasizes the need to consider costs when promulgating regulations. In response, the Drinking Water Research Division (DWRD) of the United States EPA's Municipal Environmental Research Laboratory (MERL) sponsored research to develop cost data associated with the unit processes of water supply treatment. Pre-design estimates, cost data development, estimates of construction and overhead and maintenance cost components, and application of developed equations are discussed. Includes 9 references, figures.