This paper analyzes the correlations between selected technical, process and production factors, equipment profi les and water consumption statistics in four types of dairy plants. Dairy plants were surveyed both individually and in groups. Water consumption was most highly correlated (r > 0.868) with equipment profi les. The highest water consumption was observed in dairy plants operating milk powder departments. In those plants, organization and production factors could signifi cantly reduce water consumption levels because in addition to milk powder, those plants also supplied eight other products. The indicators of water consumption per unit of the fi nal product were correlated (at 0.820 > | r | > 0.663) with equipment profi les, the degree of process automation and employment. Variations in water consumption per unit of the fi nal product were best explained in small plants supplying several products. The presented equations can be used to optimize water demand of various types of equipment and to determine the correlations with energy consumption for wastewater treatment. Our results can contribute to the development of water consumption models in dairy plants and the implementation of clean production standards.

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