The following information is extracted from the Australian Government website https://www.waterrating.gov.au, who are the regulating body for the Water Efficiency Labelling and Standards (WELS) scheme.
At the top of the water rating label, the star rating shows the water efficiency of the product. Understanding the star rating is easy — the more stars, the more water efficient the product is.
Use the star rating to compare the water efficiency of different products at a glance.
The middle section of the label shows the amount of water used by the product. Details of consumption rate displayed on the label vary by product type:
Use these figures to estimate how much water the product will use.
Registration and Product Details
At the bottom of the label you can find the registration and product information. This includes:
Use the information in this section of the label to decide if the model and cycle tested meet your needs, and to search our product database to verify the water rating information.