This paper presents the average consumption of cold water in households located in the town of Gorlice (southern Poland) on a monthly basis and daily distribution of water consumption in households located in the Ząbkowice Śląskie (Lower Silesia). Households included in the analysis of water use were placed in single-family houses with attic. All the buildings were objects that were built low (about 12 meters above ground level) with a V class of water supply installations. For each building average daily water consumption was determined which ranged in the range of 0.11 - 0.18 m3 M-1 d-1. The highest average daily water consumption was observed in the building located in the Ząbkowice Śląskie. ...