Treatment treatment plants are necessary for each settlement that liquid waste from residential and public buildings, has been cleaned from the agricultural and industrial enterprises before hit to the environment.
Treatment treatment plants in the city are the whole enterprises, complex of engineering constructions which occupy the big space. Their purpose - in waste water treatment for their further use. The character and water pollution rate are different therefore also various ways of cleaning - physical are applied, biological and chemical.
If not to clean liquid waste of activity of the cities and settlements, consequences for ecology will be the most pernicious. Dirty water will get to reservoirs and will break all ecosystem on many kilometers around. Fishes, water plants will die, all soil will be poisoned around. Catchment areas from which water for domestic and economic needs of the person gets will absorb polluted runoffs. It will do long-term harm to health of human and pets, and, in some cases, can end with death.
Each enterprise, whose production has toxic waste, has to have the local treatment treatment plants. It will make process of work more economic as the water purified to the necessary degree will participate in production again. Process of waste water treatment is constantly improved, researches in this area for bigger profitability and efficiency are conducted. Sometimes heads of the enterprises save on the qualitative system of treatment treatment plants therefore from time to time there are incidents to dumping of the crude waste. Therefore new technologies which will cut down costs on water treatment that all were able to afford to care for the environment properly are so important. It will create the best conditions for human life in general. At himself at the dacha it is possible to use septic tanks - small treatment treatment plants for small amount of run-off waters. It cleans by means of the underground settler consisting of 1-3 cameras. The septic tank detains up to 90 percent of different suspended substances, at the same time there is no soil pollution of the site.