: Property owners can apply for new water/sewer connections by uploading documents like building plans and property tax receipts.

Tax rates are based on the fixed by the Greater Chennai Corporation: Tariff | CMWSSB

The online portal is a one-stop destination for several critical utilities:

: Pay your half-yearly water and sewerage taxes securely via UPI, credit/debit cards, or net banking.

: Residents can book water tankers online. Registration requires your CMC number and a unique mobile number.

: Enter your registered mobile number or email and password.

: Select the relevant service, such as "Water Tax & Charges Payment" or "Dial for Water" . Enter Credentials :

: You can view your payment history and download official receipts within 24 hours of a transaction. Chennai Metro Water Tax Calculation

: Register complaints about water supply, leaks, or sewage blocks and track their status in real-time.

To use personalized services, you must first log in or register on the official platform. : Go to the CMWSSB portal .