This report summarizes a study designed to assess current and future manpower needs in wastewater treatment, water treatment, and air pollution control, as well as perform task analyses for the purpose of developing courses of study and instructional materials. Data were collected by means of interviews for all 10 air pollution control areas in Ohio, eight wastewater and water treatment facilities for Ohio cities with a population under 100,000, and eight wastewater and water treatment facilities for Ohio cities with a population over 100,000. Data were collected by mail questionnaire for 200 randomly selected wastewater and water treatment facilities for Ohio cities with a population under 100,000. An anticipated increase of 109 persons (a 31 percent increase) in all wastewater treatment positions from 1971 to 1974 was reported. An increase of 156 persons (a 12 percent increase) is expected from 1971 to 1974 in water treatment positions, and a 119 percent increase (152 persons) is anticipated from 1971 to 1974 in air pollution control positions. These increased personnel needs justify the development of training programs in environmental management occupations. A proposed curriculum for a 2-year program in this area is included. Numerous tables present the data. (AG)