It monitored service providers’ legal and contractual operations (e.g. carrying out analyses of bidding processes and concessions, contract alterations, reconfiguration and fusions of systems) and ensured that tariffs guaranteed efficient and socially acceptable prices without harming the financial sustainability of service providers. In addition, the IRAR analysed consumer complaints and assisted in conflict resolution between consumers and service providers. It was made responsible for evaluating the quality of water supplied to consumers, comparing the results with other entities and following up on non-compliance where necessary.