Our paper presents a model of the water-pipe network for the Kawie Góry supply zone. The zone under analysis is part of the network operated by the PWiK (Water-Pipe and Sewage Company) in Czestochowa. The model was made in the Epanet program using numerical and operational data. The water-pipe network under examination supplies water to a family housing estate and is fed from a field water-supply reservoir. The total population of the area is approx. 1,500 people, the length of the waterpipe network is 11,704 running meters, and the pipe diameter range is 100-150 mm. The pipes are made of grey cast-iron, PE, and PVC. Based on the selected measurement points, calibration of the model was performed. Within the validation of the model, sensitivity analysis was made. Then, a series of simulations were performed to illustrate the network operation for variable water supply and demand conditions. Multi-period analysis was employed for modeling. The developed model made it possible to determine the magnitude of pressure in the network points, and flows in particular sections for operational parameters under consideration. The prepared model can also provide a base for alternative network management variants, for example in the case of failure or increased water demand and enable the forecasting of possible water shortage locations. In the event of the development of the network, in turn, it will enable the optimal design of new lines.
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