This manual, developed as an aid to state agencies who provide instruction to inspectors of water systems, is based on the minimum information that an inspector with limited experience needs to know to successfully assess a public water system. The manual is designed for use by individuals who are experts in the field of water systems and sanitary surveys, but who may not be experienced in instructional techniques. The manual (which includes basic text material, audiovisuals, and evaluation exercises as well as detailed instructions for presenting the material and managing sanitary training activities) is divided into 13 units of varying length. Unit topics focus on water regulations, water sources (general, wells, springs, and surface sources), pumps, water treatment, storage (gravity storage and hydropneumatic tanks), water distribution (distribution systems and cross-connections), monitoring and recordkeeping, management and safety, surveys, communications and public relations, and technical assistance; an orientation unit and concluding information are provided in separate units. Each unit includes a summary, objectives, basic material (in outline format), instructional strategies, unit emphasis, student preparation, and pre-/post-tests. The outline approach used provides instructors with maximum flexibility in adapting the material to specific situations encountered during the conduct of a sanitary survey within a particular state. (JN)