Greater Western Water

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Greater Western Water (GWW) is a Victorian government-owned water corporation that provides drinking water, recycled water, sewerage and trade waste services to Melbourne’s CBD and fast‑growing western and north‑western suburbs.

Sunbury, Victoria, Australia
gww.com.au
Owned by Government of Victoria (Department of Energy, Environment and Climate Action)

About Greater Western Water

Greater Western Water (GWW) is a Victorian government‑owned water corporation that supplies drinking water, recycled water, sewerage and trade waste services to customers across Melbourne’s CBD and the western and north‑western suburbs, including fast‑growing areas such as Sunbury, Melton, Tarneit and Footscray. Formed through the merger of Western Water and City West Water, GWW operates and maintains water and sewer networks, supports residential, business and industrial customers, and is regulated by the Essential Services Commission of Victoria. Bills and accounts are typically managed online via gww.com.au, where customers can view usage, update details and make payments.

A Greater Western Water charge usually appears on a bank or card statement when you pay a water, recycled water, sewerage or trade waste bill for a property within GWW’s service area. Most residential customers are billed quarterly, so you may see charges roughly every three months, often including fixed service fees plus usage charges based on the amount of water consumed. You might also see charges for separate accounts (e.g., multiple properties), direct debits set up for automatic bill payment, payments for overdue balances, or one‑off online or phone payments. In rental situations, agents or landlords may pass through water usage charges, and you might see a GWW payment connected to a vacate or final bill when moving house.

If you’re unsure about a Greater Western Water transaction, first compare the charge amount and date with your latest GWW bill or online account at gww.com.au (MyAccount). Check which property the bill relates to, the billing period, and whether you have any payment arrangements or direct debits set up. For questions or disputes, you can contact GWW by phone on 13 44 99 (within Australia), via the contact form or live chat on gww.com.au, or by using the details printed on your bill. Common issues—such as duplicate payments, changed bank cards, or suspected leaks leading to high usage—are usually resolved by reviewing your bill details, adjusting or cancelling direct debit instructions, or lodging a billing enquiry with their customer service team.

Bank Statement Variations

2 known variations

These are the raw merchant codes that appear on bank and credit card statements that we've identified as belonging to Greater Western Water.

  1. GWW FOOTSCRAY AU
  2. GWW SUNBURY AU

Frequently Asked Questions

Why did I get a charge from Greater Western Water when I usually pay quarterly bills by mail?

Even if you receive a paper bill, any payment you make by card, BPAY from a credit card, or via GWW’s online payment portal will appear as a Greater Western Water (or GWW) charge on your statement. Check the bill issue date and due date against the transaction date; most customers are billed on a quarterly cycle, so you’ll typically see a GWW payment every three months. If you’ve recently paid a final bill after moving, that payment will also appear as a one‑off charge.

What are the typical Greater Western Water bill amounts I might see on my statement?

Residential Greater Western Water bills commonly range from around AUD $150–$400 per quarter, depending on property type, water usage, sewerage charges and any outstanding balance. Properties with high outdoor use, large households or leaks can see significantly higher amounts. If a payment plan is in place, you may see smaller, more frequent charges (for example, fortnightly or monthly instalments) instead of a single quarterly payment.

Why is there a Greater Western Water direct debit on my account when I didn’t make a manual payment?

If you’ve set up direct debit through GWW’s MyAccount or via a form with your bank, your bill may be paid automatically on the due date, which will show as a Greater Western Water debit on your bank or card statement. This can also occur if a real estate agent or property manager previously arranged direct debit details on your behalf. Log in at gww.com.au or check your last bill to see if direct debit is listed under payment options, or contact GWW on 13 44 99 to confirm or cancel an active direct debit.

How do I change, pause or cancel my Greater Western Water direct debit payments?

You can manage your direct debit settings by logging into MyAccount at gww.com.au and going to the payments or direct debit section to update card/bank details, suspend, or cancel the arrangement. Changes usually apply to future bills, so if a payment is already in process it may still be debited. You can also call Greater Western Water on 13 44 99 to request changes, especially if your financial circumstances have changed and you need a different payment plan.

How do I request a refund or fix a duplicate payment to Greater Western Water?

If you believe you’ve paid the same GWW bill twice or overpaid, gather your payment receipts or bank statement screenshots showing the duplicate charges and contact Greater Western Water’s customer service on 13 44 99 or via the online enquiry form at gww.com.au. They will verify your account balance and, if a genuine overpayment has occurred, can either refund the excess to your original payment method or leave it as a credit on your water account, depending on your preference and their policy. Refund processing times can vary but usually take several business days once approved.

Why is my Greater Western Water bill higher than usual this period?

Higher GWW charges are often due to increased water usage (for example, summer garden watering, filling pools, or more people in the home), changes to tariff rates set by the Essential Services Commission, or a previously unpaid amount carried over from an earlier bill. A hidden leak (such as underground or in toilets) can also cause a sudden spike in usage. Check the usage graph and meter readings on your bill or in MyAccount, and if the increase doesn’t make sense, contact Greater Western Water to discuss a leak investigation or a high‑usage enquiry.

Can Greater Western Water place authorization holds or pending charges on my card?

When you pay your bill online using a credit or debit card, your bank may show a temporary ‘pending’ payment or authorization before the final GWW charge is settled. These holds are controlled by your bank or card issuer and usually clear within a few business days, either becoming a completed payment or disappearing if the transaction fails. If a pending amount remains unusually long, contact your bank and have your GWW payment receipt handy for reference.

How can I confirm which property a Greater Western Water charge relates to?

If you have multiple properties or have recently moved, you may have separate GWW accounts for each address. Log into MyAccount on gww.com.au or review your latest paper or email bill to see the account number, property address and payment details, then match the bill amount and date to the charge on your statement. If you still can’t identify the property, call Greater Western Water with your name, address and any account numbers so they can confirm which account the payment was applied to.

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