Online Water Accounting System (iWAS)
For all your water accounting needs.
Using iWAS
Our 24/7 online Water Accounting System (iWAS) allows you to easily access and manage your water account anywhere, anytime. iWAS is available to all registered WaterNSW regulated river, unregulated river and groundwater customers.
Login to use iWAS
- Go to the login page
- Enter your customer number which can be found on your Water Account Statement.
- Enter registration password
- Click the 'Log in' button
You must enter the password used for registration and then create a new password. Your password must contain at least six (6) characters and include numerals and letters for enhanced security.
Register to use iWAS
- Go to the registration page on our website
- Enter your customer number which can be found on your Water Account Statement.
- Enter the activation code (customer reference number on your bill)
- Enter the temporary password IWAS00 (zero/zero)
- Enter a valid email
- Read and tick the terms and conditions box
- Click the 'Register' button
- An email will be sent to the registered email requesting validation
iWAS allows you to:
- View your available water and account balance
- Enter and amend water orders
- Place bulk water orders
- Stay on top of important water information with WaterNSW news and announcements
- View and download the allocation assignment register
- Create a master account allowing customers to link other customers to their iWAS account
- Enter meter reads or estimated water take, even if you don’t have a meter installed
Megalitre converter calculator
When using iWAS, you will need to use megalitres as the unit of measurement for any quantity entered. To assist you in converting different commonly used units of measurements to megalitres, please use our converter tool below.
Megalitres:
Megalitres:
Megalitres:
iWAS How-to videos
Please use the arrows below on the right hand side of your screen to scroll through our various how-to videos.
Close
Further assistance
Forms, fact sheets, guides
Forms, fact sheets, guides
- How to order water in iWAS
- How to enter a meter reading in iWAS
- How to enter non-metered usage in iWAS
- How to download a water account statement in iWAS
- How to link different accounts to one master account in iWAS
- How to complete a meter reading authorisation in iWAS
- How to nominate a floodplain harvesting measurement period in iWAS
Forms
Fact sheets
Frequently Asked Questions
Videos
Related links
WaterNSW acknowledges the traditional custodians of the lands and waters on which we work and pay our respects to all elders past, present and emerging. Learn more