洛杉矶水电局（LADWP）的沟通项目主要是信息性的——从历史上看，信息是从公用事业公司传递给公众的，公民没有以任何实质性方式参与有关水质问题的决策。然而，1985年，当LADWP计划建造一座曝气塔，在不通知拟建场地附近社区的情况下去除地下水中的污染物时，引发了公众的强烈抗议。从这一经验中吸取了许多教训，包括公众参与项目早期规划阶段的重要性，向公众提供尽可能多的信息的优势，以及认识到风险判断通常基于危险程度以外的因素。包括4个参考文献，表1。

The communication program of the Los Angeles Department of Water and Power (LADWP) has been largely informational - messages have historically been passed from the utility to the public without citizens being involved in any substantive way in decisions about water quality issues. In 1985, however, when LADWP made plans to construct an aeration tower to strip contaminants from groundwater without notifying the community in the immediate vicinity of the proposed site, there was a public outcry. Many lessons were learned from this experience, including the importance of public participation in the early planning stages of a project, the advantages of providing as much information as possible to the public, and the recognition that risk judgments are often based on factors other than the degree of hazard. Includes 4 references, table.