How To Pay Chennai Water Tax Online

You can make Chennai water tax online payment by visiting the CMWSSB website. Here’s a step-by-step guide on how to pay your water tax in Chennai using the CMWSSB online payment method:
Step 1: Go to the Chennai water tax online payment page.
Step 2: If your mobile number is registered with Chennai metro water, enter the mobile number. Or, enter your CMC Number (CMC Number Format – Zone/Ward/Bill Number/Sub Code. CMC Number Example: 04/04/10540/000) > Enter captcha > Click on Pay.

Step 3: Details of your outstanding Chennai water tax and water charges will appear on the page.
Step 4: Click on Select All > The amount to be paid will be shown in the box > Click on the Terms and Conditions checkbox > Choose a payment gateway (Pay ICICI or Pay HDFC)

Step 5: Select a payment method (debit card, credit card, net banking, etc.) > Complete the transaction.
Step 6: Once your CMWSSB online payment successful, you will get the Chennai metro water tax payment receipt with transaction details.

To check your Chennai water tax dues online, follow the instructions given below:
Step 1: Visit the Chennai metro water tax arrears status page.
Step 2: Enter your mobile number if it is registered with CMWSSB or enter your CMC Number in the Zone/Ward/Bill Number/Sub Code format (Ex: 03/033/20540/000) > Enter the captcha text > Click on the View button.
Step 3: Your name, CMC Number, and address will appear > Click on the View button.
Step 4: Details of your outstanding Chennai metro water tax and water charges will appear on the page.

To download the receipt of your Chennai metro water tax payment, follow the steps given below:
Step 1: Go to the Chennai Metro water tax payment receipt page.
Step 2: Enter your CMC Number (Zone Number, Ward Number, Bill Number, and Sub Code) > Click on Print Receipt.

Step 3: Your CMWSSB water tax payment details will appear on the page > To view the receipt, click on the View/Print option.

Step 4: Step 4: The receipt with payment and transaction details will appear. (See the sample receipt below). You can print or download it by clicking on the Print button.

The annual water tax in Chennai is calculated as 7% of the annual rental value of your property (3.5%, twice a year). You can calculate the amount using the Chennai water tax calculator. 

Yes, you should. Please note that the water tax in Chennai is part of the property tax. So, the tax amount is collected from all properties in the city even if you don’t have a water connection.

The water charges in Chennai are collected from properties that have a water connection. It is different from water tax, which is collected from all properties under the corporation of Chennai.
Here’s a table with CMWSSB water charges/tariff for domestic connections: