This project aims to upgrade and expand the water supply and wastewater management infrastructure in Švenčionys district in accordance with the requirements of service quality, environmental and health protection: it is planned to build new water supply and sewage networks in Švenčionėliai in the private residential quarter and in the town of Adutiškio str., Švenčionys, to build water treatment facilities for residents of Švenčionys city.