Objective – to improve the water management of the city of Gdańsk, including dehydration through the construction of rainwater drainage – Strzyża district, Osowa district and retention reservoirs – Kokoszki district, Jaśkowa Dolina, Osowa district. 1.Construction of road systems with rain drainage and storage tank Osowa II in Gdańsk – Osowa. 2.Regulation of the M4 ditch on the section from the M ditch to the reservoir Rębiechowo 3 in Gdańsk in Rębiechów. 3.Dehydration of Kokoszki district in Gdańsk consisting of the construction of the Retention Tank Strzelnica II along with regulation of the Strzelnik Potoku. 4.Construction of the Jaśkowa Valley reservoir in Gdańsk. 5. Construction of rainwater drainage in the streets of Hubala, Kmieca, Gomółka, People’s, Linde and Arciszewski – stage IV, Strzyża estate. 6.Construction of rainwater drainage in the area of Grottgera, Bażyńskiego, Tetmajera and Kasprowicza streets – Gdańsk Przymorze district. 7.The management of rainwater from the area of St. Franciszka in the area of 240 Kartuska Street in Gdańsk.