Drinking water supply system - comprising a drinking water piping system, - comprising a plurality of drinking water tapping points (18, 20, 22, 22', 22", 170) connected to the drinking water piping system, - comprising at least one sensor (24, 26, 28, 30, 88,118, 158, 168) configured to determine measurement values and - comprising a central control device configured to receive and evaluate the measurement values determined by the at least one sensor (24, 26, 28, 30, 88, 118, 158, 168), - comprising a plurality of decentralised control elements (70, 76, 78, 82, 84, 86, 86', 104, 106, 108, 130, 150, 160, 172, 176) configured to influence one or a plurality of properties of the water carried in the drinking water supply system at different points in the drinking water supply system, - wherein the central control device is configured to actuate the control elements (70, 76, 78, 82, 84, 86, 86', 104, 106, 108, 130, 150, 160, 172, 176) to influence the one or plurality of properties of the water carried in the drinking water supply system, - wherein a plurality of control elements (70, 76, 78, 82, 84, 86, 86', 104,106, 108, 130,150,160,172,176) are combined or can be combined to form a virtual group (100,102) characterized - in that the drinking water supply system has a plurality of decentralised control devices, for example a plurality of controllers, which are connected in each case to one or a plurality of decentralised control elements (70, 76, 78, 82, 84, 86, 86', 104, 106, 108, 130, 150, 160, 172, 176) for control thereof and - in that the virtual group (100, 102) comprises or can comprise decentralised control elements (70, 76, 78, 82, 84, 86, 86', 104, 106, 108, 130, 150, 160, 172,176) which are assigned to different decentralised control devices. - comprising a drinking water piping system, - comprising a plurality of drinking water tapping points (18, 20, 22, 22', 22", 170) connected to the drinking water piping system, - comprising at least one sensor (24, 26, 28, 30, 88,118, 158, 168) configured to determine measurement values and - comprising a central control device configured to receive and evaluate the measurement values determined by the at least one sensor (24, 26, 28, 30, 88, 118, 158, 168), - comprising a plurality of decentralised control elements (70, 76, 78, 82, 84, 86, 86', 104, 106, 108, 130, 150, 160, 172, 176) configured to influence one or a plurality of properties of the water carried in the drinking water supply system at different points in the drinking water supply system, - wherein the central control device is configured to actuate the control elements (70, 76, 78, 82, 84, 86, 86', 104, 106, 108, 130, 150, 160, 172, 176) to influence the one or plurality of properties of the water carried in the drinking water supply system, - wherein a plurality of control elements (70, 76, 78, 82, 84, 86, 86', 104,106, 108, 130,150,160,172,176) are combined or can be combined to form a virtual group (100,102) - in that the drinking water supply system has a plurality of decentralised control devices, for example a plurality of controllers, which are connected in each case to one or a plurality of decentralised control elements (70, 76, 78, 82, 84, 86, 86', 104, 106, 108, 130, 150, 160, 172, 176) for control thereof and - in that the virtual group (100, 102) comprises or can comprise decentralised control elements (70, 76, 78, 82, 84, 86, 86', 104, 106, 108, 130, 150, 160, 172,176) which are assigned to different decentralised control devices.