The purpose of this technical committee report is to provide useful information for engineers, designers, consultants, and others involved in the pursuit of water reuse programs in industrial plants, excluding those in the electric power generation industry. All aspects of water reuse, including water recovery, conservation, and recycle, are within the scope. This report discusses the various uses of water in industrial plants, the important parts of a water reuse program, and the potential impact of water impurities on industrial operations.