1. Introduction, legal background (Water act). 2. Types of water in buildings and their disposal. 3. Sources of drinking water in buildings, types of waste water in buildings. 4. Technical solution and overview of equipment for rainwater and greywater management. 5. Rainwater and gray water quality, mechanical pre-treatment of rainwater. 6. Retention rainwater and gray water. 7. Rainwater infiltration (soil, permeability, ...), calculations, evaporation from water level. 8. Green and blue roofs, water town squares and water accumulation. 9. Wastewater treatment methods, root and domestic wastewater treatment plants. 10. Minimization of water consumption, use of rainwater, water recycling (use of gray water), heat recycling (gray water energy, heat recovery units). 11. Rainwater management in municipalities and towns. 12. Sustainable water management, island systems in buildings without access to fresh water supply. 13. Microclimate stability: water, greenery.

1. Assignment of a project "Re-use of waste water in a single-family house". Input data for the building site: legal documents, maps, hydrological and, hydrogeological data, data from the Czech Hydrometeorological Institute. 2. Calculation of the amount of waste water and rainwater, calculation of the demand for gray water, determination of the amount of water for irrigation. 3. Design of waste water treatment technology, design of accumulation tank, possibilities of water utilization. 4. Machinery for water use. 5. Drawing: A technological scheme for the use of rain and waste water. 6. Technical report 7. Credit