An intelligent IC water meter is a new type of water meter that utilizes modern microelectronics, sensor technology, and intelligent IC card technology to measure water consumption and transmit and settle water usage data. In addition to recording and displaying water usage electronically, it can also automatically control water consumption as per agreements and automatically complete the calculation of tiered water rates. It also features water usage data storage. As the data transmission and transaction settlement are done through IC cards, it facilitates the shift from staff visiting to read meters and collect fees to users paying at service counters themselves.