一个由联邦、州和地方法律组成的复杂网络管理着水处理厂产生的废物的管理、运输、处置和回收。这些规律影响处理系统的选址、选择和设计。水务设施经理必须系统地评估所有法规，以便他们能够就现有设施的翻新或新设施的增加做出合理且具有成本效益的决定。包括63篇参考文献，见图。

A complex network of federal, state, and local laws governs the management, transport, disposal, and recycling of the wastes generated by water treatment plants. Those laws influence the siting, selection, and design of treatment systems. Water utility managers must systematically evaluate all regulations so they can make rational and cost-effective decisions regarding renovation of existing facilities or addition of new facilities. Includes 63 references, figure.