The water management project in Kopidlno includes the construction of new sewerage system with a total length of 2300 m, new mechanical and biological water treatment plant, auxiliary and main pumping stations, 25 m long access road to the plant and sewerage system discharging the treated waste water to the river with the length of 585 m. The main objective of the project is quality improvement of water in the Mrlina river and environmental protection.