A water supply module 10′ for a transportation means comprises a receiving connection 16′ for receiving water from a supply line, a delivery connection 20′ for delivering water to a faucet 30″, a control connection 22′ for receiving control commands of an actuating element 76 on the faucet 30″, and a control unit 80. The control unit 80 is designed, on the basis of control commands of the actuating element 76, to adjust the delivery of water from the delivery connection 20′ to the faucet 30″. The water supply module 10′ is designed as an assembly.