A course to develop an understanding of the scope of water resource activities, of the need for forecasting, of the National Weather Service's role in hydrology, and of the proper procedures to follow in fulfilling this role is presented. The course is one of self-help, guided by correspondence. Nine lessons are included: (1) Hydrology in the National Weather Service, (2) water management programs, (3) Is there a water shortage? (4) water resources management and control structures, (5) data acquisition and processing, (6) office arrangements, (7) forecasts, (8) dissemination, and (9) administration. (CK)