Zad.1: Development of rainwater in the water catchment area ul. Olympics, Fig.2: Development of rainwater in the water catchment area ul. Slavic, Zad.3: Development of rainwater in the water catchment area ul. Emerald, Fig.4: Development of rainwater in the water catchment area ul. Gravel, the total cost of the project is estimated at PLN 63 353 221.66. Natural or natural methods are used in the project. The planned use of rainwater in the project is: — draining to the ground in the amount of 27897 m³, – use for economic purposes in the amount of 3415 m³, – intake of water to supply the shanks in the amount of 164.25 m³. As part of the project, rainwater drainage with a total length of 7121 m will be built or modernised. As part of the project, a total of 8 storage tanks will be built/modernised, both open and closed. In the areas covered by the project, the total impermeable surface size is 1025090 m², the change in surface type (sealing) is 1200 m².