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Pay now

There are a number of ways you can pay your Greater Western Water bill


To pay your bill online, visit Australia Post's POSTBillpay website. You'll need the reference number shown on the back of your bill.

Direct debit

Pay your bill in full, or make smaller payments more regularly. Find out more.


Use your bank's telephone or internet banking service. You'll need the biller code and reference number shown on the back of your bill.


Centrepay is a free service for customers who receive payments from Centrelink. Find out more.

In person

You can pay at any Australia Post outlet. You'll need to take your bill with you.


Send the payment slip (found on the bottom of your bill) with a cheque to Western Water, PO Box 2371, Sunbury DC VIC 3429.

Help with paying your bill

If you're finding it difficult to pay your bill, we want to help. Find out about our assistance programs.