Water Accounting System (iWAS)

Water Accounting System (iWAS)


iWAS is available to all registered WaterNSW regulated river and groundwater customers. It allows you to:

  • Enter and amend water orders  
  • Place bulk water orders  
  • Place meter readings  
  • Edit your account details  
  • Download water account statements  
  • View announcements  
  • View and download the allocation assignment register  
  • Create a master account allowing customers to link other customers to their iWAS account  
  • 24 hour access, seven days a week  

How to register online

  • 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 (account number on your invoice)  
  • Enter the temporary password IWAS00 (zero/zero)  
  • Read and tick the terms and conditions box  
  • Register  

Next step

  • Go to the login page
  • Enter customer number  
  • Enter registration password  
  • Log in  

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.

Need help?

Monday 30 May
2,196,752 ML
2,581,749 ML
10,600 ML
1,515 ML
-13,348 ML
Monday 30 May