The textbook examines the role of water in natural and anthropogenic landscapes. Methods of adjusting the water regime of soils in conditions of excessive and insufficient moisture, various hydraulic engineering and irrigation and reclamation structures, optimal methods of organizing and mechanizing construction work are described. The content of the textbook meets the current requirements of the Federal State Educational Standard of Higher Education. For students of higher educational institutions, it can be useful to specialists in the field of landscape gardening.