The main activity of the company is the operation of public water supply and sewerage systems, production and supply of drinking water, the detection of faults on the water network, the layout of water supply and sewerage systems, the inspection of sewers by means of a television camera, and rain water, their cleaning in the Brno-Modřice wastewater treatment plant including sludge disposal. Laboratories of the company are conducting analyzes of drinking and waste water.
The investment and design activities are focused on the preparation and implementation of engineering structures in the field of water supply and sewerage.
All activities of the joint-stock company are necessary for the life of the city and its inhabitants. The company operates not only in the whole territory of the statutory city of Brno, but also in the towns of Kuřim, Modřice, Březová nad Svitavou, towns Doubravník and Štěpánov nad Svratkou, Lelekovice, Czech, Moravany, Nebovidy, Vranov, Měnín, Moutnice, Želešice, Chlébské, Dolní Loučky and for the Vírský regionální vodovod, associations of towns, municipalities and associations of municipalities.