Analysis of Water Consumption in the Campus of Warsaw University of Life Sciences in Years 2012-2016

On the basis of the registered indications of the water meter, a study on the size and variability of water consumption on the WULS campus in the academic years 2012/16 is presented. The average specific water consumption at a time when classes are implemented amounted to 26.6 dm³ per student per day for full-time studies student and 19.7 dm³ per student per day for the student part-time studies. During the holiday season, the rates are lower at 18.4 and 11.8 dm³ per student per day, respectively. These ratios were determined without taking the water consumption in the dorms into account. The daily peaking factor amounted (N_d) to 1.36, while the hourly peaking factor (N_h), reached 1.71. Within the week cycle, the highest water consumption was observed in Tuesdays and the lowest – in Sundays. The average Tuesday demands are 40% higher than the Sunday demands. The water consumption peaks during the day occur between 11 a.m. and 1 p.m. as well as 11 p.m. and 1 a.m. The hourly structure of the water distribution in the WULS-SGGW campus is similar to the weekend structure of water distribution in multi-family residential buildings, with the exception of the later occurrence of the evening summit.