Due to the increasing scale of national efforts to clean up our streams, rivers and lakes, a survey of the current state-of-the-art in systems analysis for water quality management has been conducted. The survey is geared primarily towards helping to acquaint non-specialists with the prevailing methods, capabilities, and limitations of the analytical approach, in light of continuous rapid growth of systems analysis techniques in water quality management; physical, chemical and biological considerations in water quality modeling; and legal, social demographic, and economic aspects of water quality. (Author)