ERSAR regulates the quality of water and waste
services provided to customers, evaluating the operators' performance and comparing
them with each other, through the application of
a benchmarking system to foster effectiveness
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This assessment follows a set of indicators related to drinking water supply, urban wastewater management and urban waste management services, which allow ERSAR to regulate by benchmarking.
The indicators are divided in three groups:
Annually, ERSAR evaluates the quality of service provided to users and the control of drinking water quality by the regulated entities/ operators. Since 2004, this information is provided to the sector and to the general public through the Annual Report on Water and Waste Services in Portugal (RASARP), a publication that comprises two volumes - the first regarding the overall sector and the quality of services and the second regarding drinking water quality.
Additionally, ERSAR promotes the "Awards and Badges" initiative together with a representative jury of the sector. This annual initiative includes a formal event and aims to distinguish and reward the entities that obtained the best performance in different categories, according to a set of predefined rules.