the independent pricing and regulatory tribunal ipart uses a price determination framework to set maximum charges for bulk water services and resource management activities by nsw office of water the charges include a fixed component determined by entitlement volume and a variable component usage charge and they vary by types of systems valleys and the reliability class of the entitlement in ipart projected total water planning and management costs for to be aud million with aud million allocated to users they include a license fee of aud ml and a water harvesting charge of aud ml the total amount collected is aud million per year which represents less than of water planning and management costs