Got a query?
Top five queries
- What assistance is available to help me with my water bills?
We understand that sometimes life gets tricky and you might be struggling with your water bills. If you’re struggling, get it touch with us as soon as possible and we can help you with initiatives such as:
- Payment arrangements
- Applying for concessions
- GWMWater Customer Support Program
- Utility Relief Grant Scheme
- Rebate Scheme
Find out more about concessions and grants or call us for a confidential discussion on 1300 659 961.
- What is allowed at GWMWater lakes and reservoirs?
Our lakes and reservoirs are not only sources of water, but also community areas for recreation and relaxation.
Lakes and reservoirs have different restrictions that you need to be aware of.
- What are the current water restrictions in my area?
All Victorian towns are under Permanent Water Savings Rules when staged water restrictions aren’t in place.
- How can I use water wisely?
There’s a number of simple adjustments you can make to your everyday life in order to use water wisely.
- What payment arrangements are available?
You can pay your bill in a few ways:
- BPAY - Biller Code 79855
- Direct Debit Payment by Centrelink (Centrepay)
- Credit card via POSTbillpay online or over the phone
- Payment in person at any Australia Post office or our Horsham office
- Via mail to PO BOX 481, Horsham, 3402
Outages and water quality alerts
Rural Pipeline Customers - Berriwillock and Culgoa
Reason: Rural pipeline maintenance works
Starting: 9 July 2025
Finishing: 15 July 2025
Due to pipeline maintenance works, rural customers may experience interruptions to water supply as follows:
Supply System 5, Pipeline between Culgoa and Banyan - from 7 am to 5 pm
- Wednesday 9 July 2025
- Monday 14 July 2025
- Tuesday 15 July 2025
Please make sure your tanks are filled prior to the interruption and that you have the required three-days' on-farm water storage.
Read more
Planned sewer maintenance works: Horsham
Reason: Planned sewer maintenance works
Starting: 8 am, 11 June 2025
Finishing: 5 pm, 11 July 2025
Our contactors, CHS of Horsham are extending the sewer main in your area as part of our ongoing maintenance program.
There will be no interruption to sewer services throughout these works.
Read more
Interruption to Water Supply - Stawell
Reason: Maintenance Works
Starting: 9 am, 10 July 2025
Finishing: 1 pm, 10 July 2025
Prior to the interruption please store sufficient water for your day's needs.
Our staff will have bottled water available upon request for customers affected by this interruption.
During the water supply interruption do not use any taps or water using appliances.
Read more
Interruption to Water Supply - Jeparit
Reason: Maintenance Works
Starting: 9 am, 15 July 2025
Finishing: 2 pm, 15 July 2025
Prior to the interruption please store sufficient water for your day's needs.
Our staff will have bottled water available upon request for customers affected by this interruption.
During the water supply interruption do not use any taps or water using appliances.
Read more
Interruption to Water Supply - Glenorchy
Reason: Maintenance Works
Starting: 9 am, 15 July 2025
Finishing: 2 pm, 15 July 2025
Prior to the interruption please store sufficient water for your day's needs.
Our staff will have bottled water available upon request for customers affected by this interruption.
During the water supply interruption do not use any taps or water using appliances.
Read more
Interruption to Water Supply - Ararat
Reason: Maintenance Works
Starting: 9 am, 17 July 2025
Finishing: Noon, 17 July 2025
Prior to the interruption please store sufficient water for your day's needs.
Our staff will have bottled water available upon request for customers affected by this interruption.
During the water supply interruption do not use any taps or water using appliances.
Read more
Ouyen Standpipe - Out of service
Reason: Out of Order
Starting: 12 pm, 27 March 2025
This standpipe is out of service until further notice.
Read more
Dooen/Longerenong Standpipe - Out of service
Reason: Out of Order
Starting: 3 pm, 3 March 2025
This standpipe is out of service until further notice.
Read more
Apsley Standpipe - Out of service
Reason: Out of Order
Starting: 9.30 am, 18 February 2025
This standpipe is out of service until further notice.
Read more
Westmere Standpipe - Out of service
Reason: Out of Order
Starting: 2 pm, 15 March 2023
This standpipe is out of service until further notice.
Read moreLake Wartook
LAST UPDATEDLake Wartook is an important water resource in the region. It's the primary water source for Horsham and Natimuk, as well as being an important resource for Supply System 6 of the Wimmera Mallee Pipeline. The lake also provides important environmental flows.
Located on the MacKenzie River in the central Grampians, Lake Wartook is popular with locals for activities such as fishing.
Be sure to play it safe around water.
Read our information signage before entering the water.
Visit Safe Transport Victoria for a range of resources on water safety: https://safetransport.vic.gov.au/on-the-water/
How to contact us
Where to find us
In person
Corporate Office11 McLachlan StreetHorsham Victoria
By post
PO Box 481Horsham Vic 3402
