Greater Western Water 1 BPAY Biller Code 8789

Biller code 8789 is the BPAY code for Greater Western Water 1 (also known as GWW 1). You can use this code to make payments through any Australian bank that supports BPAY.

To pay GWW 1, log into your bank's online banking, select BPAY, enter biller code 8789, your customer reference number from your bill, and the amount you want to pay. Learn more in our step-by-step BPAY payment guide.