Water is an indispensable part of human life and also is a raw material for different types of production, and the importance of the water is rising with growing population and the industrial activities. The water resources are becoming less when domestic and industrial wastewater is discharged without treatment. At this point for the protection of rivers, pools and seas Treatment Concept is occured. Wastewater Treatment has an important place in the Caretta's Environmental Techonologies. Caretta give services to different industries, holiday villages, towns, cityes, touristic areas with treatment plants built.