本文讨论了联邦和州地表水联合处理规则对加利福尼亚州供水设施的一般影响，并针对个别设施提出了三个案例研究:马林市供水区；加州美国水务公司蒙特利分部；东市政公用事业区。

This paper discusses general impacts of the combined Federal and State Surface Water Treatment Rule on California water utilities and presents three case studies for individual utilities: Marin Municipal Water District; California-American Water Company - Monterey Division; and East Municipal Utility District.