The aim of the project is to organise the economy of rainwater and meltwater in Grabówka district in Częstochowa. The project aims to strengthen the resilience of the city of Częstochowa to the risks associated with climate change and to increase the possibility of preventing threats. The aim of the investment is to increase the amount of water retained using natural methods and reduce the risk of flooding. The project includes the construction of a rainwater drainage system with a water purification system with the construction of an evaporative – infiltration tank.