Why is the water fee for the same household in Shanghai Chengtou 1 1?

Water fee management institutions and regional issues. There are many digits in the account number, generally between 10 and 20 digits, and the specific digits depend on different water fee management institutions and regions. In some areas, you need to enter other information later to query the water account number, and the responsibility scope of Shanghai Chengtou Water Group Co., Ltd. is 1 1 digit.