The report contains the courses offered from July 1970 to Dec. 1971 in water pollution control by the U.S. Department of the Interior at five locations in the United States. These locations are the Robert A. Taft Sanitary Engineering Center in Cincinnati, Ohio; the Robert S. Kerr Water Research in Ada, Oklahoma; the Southeast Water Laboratory in Athens, Georgia; the Pacific Northwest Water Laboratory in Corvallis, Oregon; and the Hudson-Delaware Basins Office in Edison, New Jersey. The objective of the Training Program is to provide specialized training in the causes, prevention, and control of water pollution.