LTReikšminiai žodžiai: Ecological cleaning; Bioretention; Ecological engineering; Graywater; Sewage farm; Wastewater treatment.
ENThe historical view of sewage and rainwater cleaning, possibilities of applying it nowadays and newest experience in the world are analyzed in the article. The main advantages and disadvantages of the system were revealed after research. There were two parts of the analysis: personal cleaning and territorial planning. Biological and mechanical filtration were mostly used types of water cleaning. Main problems of ecological cleaning and reusing of wastewater were found: rather high price, possible permanent damage to the soil. [From the publication]